1 class int(object):  2     """  3     int(x=0) -> int or long  4     int(x, base=10) -> int or long  5       6     Convert a number or string to an integer, or return 0 if no arguments  7     are given.  If x is floating point, the conversion truncates towards zero.  8     If x is outside the integer range, the function returns a long instead.  9      10     If x is not a number or if base is given, then x must be a string or 11     Unicode object representing an integer literal in the given base.  The 12     literal can be preceded by ‘+‘ or ‘-‘ and be surrounded by whitespace. 13     The base defaults to 10.  Valid bases are 0 and 2-36.  Base 0 means to 14     interpret the base from the string as an integer literal. 15     >>> int(‘0b100‘, base=0) 16     """ 17     def bit_length(self):  18         """ 返回表示该数字的时占用的最少位数 """ 19         """ 20         int.bit_length() -> int 21          22         Number of bits necessary to represent self in binary. 23         >>> bin(37) 24         ‘0b100101‘ 25         >>> (37).bit_length() 26         """ 27         return 0 28  29     def conjugate(self, *args, **kwargs): # real signature unknown 30         """ 返回该复数的共轭复数 """ 31         """ Returns self, the complex conjugate of any int. """ 32         pass 33  34     def __abs__(self): 35         """ 返回绝对值 """ 36         """ x.__abs__() <==> abs(x) """ 37         pass 38  39     def __add__(self, y): 40         """ x.__add__(y) <==> x+y """ 41         pass 42  43     def __and__(self, y): 44         """ x.__and__(y) <==> x&y """ 45         pass 46  47     def __cmp__(self, y):  48         """ 比较两个数大小 """ 49         """ x.__cmp__(y) <==> cmp(x,y) """ 50         pass 51  52     def __coerce__(self, y): 53         """ 强制生成一个元组 """  54         """ x.__coerce__(y) <==> coerce(x, y) """ 55         pass 56  57     def __divmod__(self, y):  58         """ 相除，得到商和余数组成的元组 """  59         """ x.__divmod__(y) <==> divmod(x, y) """ 60         pass 61  62     def __div__(self, y):  63         """ x.__div__(y) <==> x/y """ 64         pass 65  66     def __float__(self):  67         """ 转换为浮点类型 """  68         """ x.__float__() <==> float(x) """ 69         pass 70  71     def __floordiv__(self, y):  72         """ x.__floordiv__(y) <==> x//y """ 73         pass 74  75     def __format__(self, *args, **kwargs): # real signature unknown 76         pass 77  78     def __getattribute__(self, name):  79         """ x.__getattribute__(‘name‘) <==> x.name """ 80         pass 81  82     def __getnewargs__(self, *args, **kwargs): # real signature unknown 83         """ 内部调用 __new__方法或创建对象时传入参数使用 """  84         pass 85  86     def __hash__(self):  87         """如果对象object为哈希表类型，返回对象object的哈希值。哈希值为整数。在字典查找中，哈希值用于快速比较字典的键。两个数值如果相等，则哈希值也相等。""" 88         """ x.__hash__() <==> hash(x) """ 89         pass 90  91     def __hex__(self):  92         """ 返回当前数的 十六进制 表示 """  93         """ x.__hex__() <==> hex(x) """ 94         pass 95  96     def __index__(self):  97         """ 用于切片，数字无意义 """ 98         """ x[y:z] <==> x[y.__index__():z.__index__()] """ 99         pass100 101     def __init__(self, x, base=10): # known special case of int.__init__102         """ 构造方法，执行 x = 123 或 x = int(10) 时，自动调用，暂时忽略 """ 103         """104         int(x=0) -> int or long105         int(x, base=10) -> int or long106         107         Convert a number or string to an integer, or return 0 if no arguments108         are given.  If x is floating point, the conversion truncates towards zero.109         If x is outside the integer range, the function returns a long instead.110         111         If x is not a number or if base is given, then x must be a string or112         Unicode object representing an integer literal in the given base.  The113         literal can be preceded by ‘+‘ or ‘-‘ and be surrounded by whitespace.114         The base defaults to 10.  Valid bases are 0 and 2-36.  Base 0 means to115         interpret the base from the string as an integer literal.116         >>> int(‘0b100‘, base=0)117         # (copied from class doc)118         """119         pass120 121     def __int__(self): 122         """ 转换为整数 """ 123         """ x.__int__() <==> int(x) """124         pass125 126     def __invert__(self): 127         """ x.__invert__() <==> ~x """128         pass129 130     def __long__(self): 131         """ 转换为长整数 """ 132         """ x.__long__() <==> long(x) """133         pass134 135     def __lshift__(self, y): 136         """ x.__lshift__(y) <==> x<<y """137         pass138 139     def __mod__(self, y): 140         """ x.__mod__(y) <==> x%y """141         pass142 143     def __mul__(self, y): 144         """ x.__mul__(y) <==> x*y """145         pass146 147     def __neg__(self): 148         """ x.__neg__() <==> -x """149         pass150 151     @staticmethod # known case of __new__152     def __new__(S, *more): 153         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """154         pass155 156     def __nonzero__(self): 157         """ x.__nonzero__() <==> x != 0 """158         pass159 160     def __oct__(self): 161         """ 返回改值的 八进制 表示 """ 162         """ x.__oct__() <==> oct(x) """163         pass164 165     def __or__(self, y): 166         """ x.__or__(y) <==> x|y """167         pass168 169     def __pos__(self): 170         """ x.__pos__() <==> +x """171         pass172 173     def __pow__(self, y, z=None): 174         """ 幂，次方 """ 175         """ x.__pow__(y[, z]) <==> pow(x, y[, z]) """176         pass177 178     def __radd__(self, y): 179         """ x.__radd__(y) <==> y+x """180         pass181 182     def __rand__(self, y): 183         """ x.__rand__(y) <==> y&x """184         pass185 186     def __rdivmod__(self, y): 187         """ x.__rdivmod__(y) <==> divmod(y, x) """188         pass189 190     def __rdiv__(self, y): 191         """ x.__rdiv__(y) <==> y/x """192         pass193 194     def __repr__(self): 195         """转化为解释器可读取的形式 """196         """ x.__repr__() <==> repr(x) """197         pass198 199     def __str__(self): 200         """转换为人阅读的形式，如果没有适于人阅读的解释形式的话，则返回解释器课阅读的形式"""201         """ x.__str__() <==> str(x) """202         pass203 204     def __rfloordiv__(self, y): 205         """ x.__rfloordiv__(y) <==> y//x """206         pass207 208     def __rlshift__(self, y): 209         """ x.__rlshift__(y) <==> y<<x """210         pass211 212     def __rmod__(self, y): 213         """ x.__rmod__(y) <==> y%x """214         pass215 216     def __rmul__(self, y): 217         """ x.__rmul__(y) <==> y*x """218         pass219 220     def __ror__(self, y): 221         """ x.__ror__(y) <==> y|x """222         pass223 224     def __rpow__(self, x, z=None): 225         """ y.__rpow__(x[, z]) <==> pow(x, y[, z]) """226         pass227 228     def __rrshift__(self, y): 229         """ x.__rrshift__(y) <==> y>>x """230         pass231 232     def __rshift__(self, y): 233         """ x.__rshift__(y) <==> x>>y """234         pass235 236     def __rsub__(self, y): 237         """ x.__rsub__(y) <==> y-x """238         pass239 240     def __rtruediv__(self, y): 241         """ x.__rtruediv__(y) <==> y/x """242         pass243 244     def __rxor__(self, y): 245         """ x.__rxor__(y) <==> y^x """246         pass247 248     def __sub__(self, y): 249         """ x.__sub__(y) <==> x-y """250         pass251 252     def __truediv__(self, y): 253         """ x.__truediv__(y) <==> x/y """254         pass255 256     def __trunc__(self, *args, **kwargs): 257         """ 返回数值被截取为整形的值，在整形中无意义 """258         pass259 260     def __xor__(self, y): 261         """ x.__xor__(y) <==> x^y """262         pass263 264     denominator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default265     """ 分母 = 1 """266     """the denominator of a rational number in lowest terms"""267 268     imag = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default269     """ 虚数，无意义 """270     """the imaginary part of a complex number"""271 272     numerator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default273     """ 分子 = 数字大小 """274     """the numerator of a rational number in lowest terms"""275 276     real = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default277     """ 实属，无意义 """278     """the real part of a complex number"""

  1 class long(object):  2     """  3     long(x=0) -> long  4     long(x, base=10) -> long  5       6     Convert a number or string to a long integer, or return 0L if no arguments  7     are given.  If x is floating point, the conversion truncates towards zero.  8       9     If x is not a number or if base is given, then x must be a string or 10     Unicode object representing an integer literal in the given base.  The 11     literal can be preceded by ‘+‘ or ‘-‘ and be surrounded by whitespace. 12     The base defaults to 10.  Valid bases are 0 and 2-36.  Base 0 means to 13     interpret the base from the string as an integer literal. 14     >>> int(‘0b100‘, base=0) 15     4L 16     """ 17     def bit_length(self): # real signature unknown; restored from __doc__ 18         """ 19         long.bit_length() -> int or long 20          21         Number of bits necessary to represent self in binary. 22         >>> bin(37L) 23         ‘0b100101‘ 24         >>> (37L).bit_length() 25         """ 26         return 0 27  28     def conjugate(self, *args, **kwargs): # real signature unknown 29         """ Returns self, the complex conjugate of any long. """ 30         pass 31  32     def __abs__(self): # real signature unknown; restored from __doc__ 33         """ x.__abs__() <==> abs(x) """ 34         pass 35  36     def __add__(self, y): # real signature unknown; restored from __doc__ 37         """ x.__add__(y) <==> x+y """ 38         pass 39  40     def __and__(self, y): # real signature unknown; restored from __doc__ 41         """ x.__and__(y) <==> x&y """ 42         pass 43  44     def __cmp__(self, y): # real signature unknown; restored from __doc__ 45         """ x.__cmp__(y) <==> cmp(x,y) """ 46         pass 47  48     def __coerce__(self, y): # real signature unknown; restored from __doc__ 49         """ x.__coerce__(y) <==> coerce(x, y) """ 50         pass 51  52     def __divmod__(self, y): # real signature unknown; restored from __doc__ 53         """ x.__divmod__(y) <==> divmod(x, y) """ 54         pass 55  56     def __div__(self, y): # real signature unknown; restored from __doc__ 57         """ x.__div__(y) <==> x/y """ 58         pass 59  60     def __float__(self): # real signature unknown; restored from __doc__ 61         """ x.__float__() <==> float(x) """ 62         pass 63  64     def __floordiv__(self, y): # real signature unknown; restored from __doc__ 65         """ x.__floordiv__(y) <==> x//y """ 66         pass 67  68     def __format__(self, *args, **kwargs): # real signature unknown 69         pass 70  71     def __getattribute__(self, name): # real signature unknown; restored from __doc__ 72         """ x.__getattribute__(‘name‘) <==> x.name """ 73         pass 74  75     def __getnewargs__(self, *args, **kwargs): # real signature unknown 76         pass 77  78     def __hash__(self): # real signature unknown; restored from __doc__ 79         """ x.__hash__() <==> hash(x) """ 80         pass 81  82     def __hex__(self): # real signature unknown; restored from __doc__ 83         """ x.__hex__() <==> hex(x) """ 84         pass 85  86     def __index__(self): # real signature unknown; restored from __doc__ 87         """ x[y:z] <==> x[y.__index__():z.__index__()] """ 88         pass 89  90     def __init__(self, x=0): # real signature unknown; restored from __doc__ 91         pass 92  93     def __int__(self): # real signature unknown; restored from __doc__ 94         """ x.__int__() <==> int(x) """ 95         pass 96  97     def __invert__(self): # real signature unknown; restored from __doc__ 98         """ x.__invert__() <==> ~x """ 99         pass100 101     def __long__(self): # real signature unknown; restored from __doc__102         """ x.__long__() <==> long(x) """103         pass104 105     def __lshift__(self, y): # real signature unknown; restored from __doc__106         """ x.__lshift__(y) <==> x<<y """107         pass108 109     def __mod__(self, y): # real signature unknown; restored from __doc__110         """ x.__mod__(y) <==> x%y """111         pass112 113     def __mul__(self, y): # real signature unknown; restored from __doc__114         """ x.__mul__(y) <==> x*y """115         pass116 117     def __neg__(self): # real signature unknown; restored from __doc__118         """ x.__neg__() <==> -x """119         pass120 121     @staticmethod # known case of __new__122     def __new__(S, *more): # real signature unknown; restored from __doc__123         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """124         pass125 126     def __nonzero__(self): # real signature unknown; restored from __doc__127         """ x.__nonzero__() <==> x != 0 """128         pass129 130     def __oct__(self): # real signature unknown; restored from __doc__131         """ x.__oct__() <==> oct(x) """132         pass133 134     def __or__(self, y): # real signature unknown; restored from __doc__135         """ x.__or__(y) <==> x|y """136         pass137 138     def __pos__(self): # real signature unknown; restored from __doc__139         """ x.__pos__() <==> +x """140         pass141 142     def __pow__(self, y, z=None): # real signature unknown; restored from __doc__143         """ x.__pow__(y[, z]) <==> pow(x, y[, z]) """144         pass145 146     def __radd__(self, y): # real signature unknown; restored from __doc__147         """ x.__radd__(y) <==> y+x """148         pass149 150     def __rand__(self, y): # real signature unknown; restored from __doc__151         """ x.__rand__(y) <==> y&x """152         pass153 154     def __rdivmod__(self, y): # real signature unknown; restored from __doc__155         """ x.__rdivmod__(y) <==> divmod(y, x) """156         pass157 158     def __rdiv__(self, y): # real signature unknown; restored from __doc__159         """ x.__rdiv__(y) <==> y/x """160         pass161 162     def __repr__(self): # real signature unknown; restored from __doc__163         """ x.__repr__() <==> repr(x) """164         pass165 166     def __rfloordiv__(self, y): # real signature unknown; restored from __doc__167         """ x.__rfloordiv__(y) <==> y//x """168         pass169 170     def __rlshift__(self, y): # real signature unknown; restored from __doc__171         """ x.__rlshift__(y) <==> y<<x """172         pass173 174     def __rmod__(self, y): # real signature unknown; restored from __doc__175         """ x.__rmod__(y) <==> y%x """176         pass177 178     def __rmul__(self, y): # real signature unknown; restored from __doc__179         """ x.__rmul__(y) <==> y*x """180         pass181 182     def __ror__(self, y): # real signature unknown; restored from __doc__183         """ x.__ror__(y) <==> y|x """184         pass185 186     def __rpow__(self, x, z=None): # real signature unknown; restored from __doc__187         """ y.__rpow__(x[, z]) <==> pow(x, y[, z]) """188         pass189 190     def __rrshift__(self, y): # real signature unknown; restored from __doc__191         """ x.__rrshift__(y) <==> y>>x """192         pass193 194     def __rshift__(self, y): # real signature unknown; restored from __doc__195         """ x.__rshift__(y) <==> x>>y """196         pass197 198     def __rsub__(self, y): # real signature unknown; restored from __doc__199         """ x.__rsub__(y) <==> y-x """200         pass201 202     def __rtruediv__(self, y): # real signature unknown; restored from __doc__203         """ x.__rtruediv__(y) <==> y/x """204         pass205 206     def __rxor__(self, y): # real signature unknown; restored from __doc__207         """ x.__rxor__(y) <==> y^x """208         pass209 210     def __sizeof__(self, *args, **kwargs): # real signature unknown211         """ Returns size in memory, in bytes """212         pass213 214     def __str__(self): # real signature unknown; restored from __doc__215         """ x.__str__() <==> str(x) """216         pass217 218     def __sub__(self, y): # real signature unknown; restored from __doc__219         """ x.__sub__(y) <==> x-y """220         pass221 222     def __truediv__(self, y): # real signature unknown; restored from __doc__223         """ x.__truediv__(y) <==> x/y """224         pass225 226     def __trunc__(self, *args, **kwargs): # real signature unknown227         """ Truncating an Integral returns itself. """228         pass229 230     def __xor__(self, y): # real signature unknown; restored from __doc__231         """ x.__xor__(y) <==> x^y """232         pass233 234     denominator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default235     """the denominator of a rational number in lowest terms"""236 237     imag = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default238     """the imaginary part of a complex number"""239 240     numerator = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default241     """the numerator of a rational number in lowest terms"""242 243     real = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default244     """the real part of a complex number"""

  1 class float(object):  2     """  3     float(x) -> floating point number  4       5     Convert a string or number to a floating point number, if possible.  6     """  7     def as_integer_ratio(self):     8         """ 获取改值的最简比 """  9         """ 10         float.as_integer_ratio() -> (int, int) 11  12         Return a pair of integers, whose ratio is exactly equal to the original 13         float and with a positive denominator. 14         Raise OverflowError on infinities and a ValueError on NaNs. 15  16         >>> (10.0).as_integer_ratio() 17         (10, 1) 18         >>> (0.0).as_integer_ratio() 19         (0, 1) 20         >>> (-.25).as_integer_ratio() 21         (-1, 4) 22         """ 23         pass 24  25     def conjugate(self, *args, **kwargs): # real signature unknown 26         """ Return self, the complex conjugate of any float. """ 27         pass 28  29     def fromhex(self, string):    30         """ 将十六进制字符串转换成浮点型 """ 31         """ 32         float.fromhex(string) -> float 33          34         Create a floating-point number from a hexadecimal string. 35         >>> float.fromhex(‘0x1.ffffp10‘) 36         2047.984375 37         >>> float.fromhex(‘-0x1p-1074‘) 38         -4.9406564584124654e-324 39         """ 40         return 0.0 41  42     def hex(self):    43         """ 返回当前值的 16 进制表示 """ 44         """ 45         float.hex() -> string 46          47         Return a hexadecimal representation of a floating-point number. 48         >>> (-0.1).hex() 49         ‘-0x1.999999999999ap-4‘ 50         >>> 3.14159.hex() 51         ‘0x1.921f9f01b866ep+1‘ 52         """ 53         return "" 54  55     def is_integer(self, *args, **kwargs): # real signature unknown 56         """ Return True if the float is an integer. """ 57         pass 58  59     def __abs__(self):    60         """ x.__abs__() <==> abs(x) """ 61         pass 62  63     def __add__(self, y):    64         """ x.__add__(y) <==> x+y """ 65         pass 66  67     def __coerce__(self, y):    68         """ x.__coerce__(y) <==> coerce(x, y) """ 69         pass 70  71     def __divmod__(self, y):    72         """ x.__divmod__(y) <==> divmod(x, y) """ 73         pass 74  75     def __div__(self, y):    76         """ x.__div__(y) <==> x/y """ 77         pass 78  79     def __eq__(self, y):    80         """ x.__eq__(y) <==> x==y """ 81         pass 82  83     def __float__(self):    84         """ x.__float__() <==> float(x) """ 85         pass 86  87     def __floordiv__(self, y):    88         """ x.__floordiv__(y) <==> x//y """ 89         pass 90  91     def __format__(self, format_spec):    92         """ 93         float.__format__(format_spec) -> string 94          95         Formats the float according to format_spec. 96         """ 97         return "" 98  99     def __getattribute__(self, name):   100         """ x.__getattribute__(‘name‘) <==> x.name """101         pass102 103     def __getformat__(self, typestr):   104         """105         float.__getformat__(typestr) -> string106         107         You probably don‘t want to use this function.  It exists mainly to be108         used in Python‘s test suite.109         110         typestr must be ‘double‘ or ‘float‘.  This function returns whichever of111         ‘unknown‘, ‘IEEE, big-endian‘ or ‘IEEE, little-endian‘ best describes the112         format of floating point numbers used by the C type named by typestr.113         """114         return ""115 116     def __getnewargs__(self, *args, **kwargs): # real signature unknown117         pass118 119     def __ge__(self, y):   120         """ x.__ge__(y) <==> x>=y """121         pass122 123     def __gt__(self, y):   124         """ x.__gt__(y) <==> x>y """125         pass126 127     def __hash__(self):   128         """ x.__hash__() <==> hash(x) """129         pass130 131     def __init__(self, x):   132         pass133 134     def __int__(self):   135         """ x.__int__() <==> int(x) """136         pass137 138     def __le__(self, y):   139         """ x.__le__(y) <==> x<=y """140         pass141 142     def __long__(self):   143         """ x.__long__() <==> long(x) """144         pass145 146     def __lt__(self, y):   147         """ x.__lt__(y) <==> x<y """148         pass149 150     def __mod__(self, y):   151         """ x.__mod__(y) <==> x%y """152         pass153 154     def __mul__(self, y):   155         """ x.__mul__(y) <==> x*y """156         pass157 158     def __neg__(self):   159         """ x.__neg__() <==> -x """160         pass161 162     @staticmethod # known case of __new__163     def __new__(S, *more):   164         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """165         pass166 167     def __ne__(self, y):   168         """ x.__ne__(y) <==> x!=y """169         pass170 171     def __nonzero__(self):   172         """ x.__nonzero__() <==> x != 0 """173         pass174 175     def __pos__(self):   176         """ x.__pos__() <==> +x """177         pass178 179     def __pow__(self, y, z=None):   180         """ x.__pow__(y[, z]) <==> pow(x, y[, z]) """181         pass182 183     def __radd__(self, y):   184         """ x.__radd__(y) <==> y+x """185         pass186 187     def __rdivmod__(self, y):   188         """ x.__rdivmod__(y) <==> divmod(y, x) """189         pass190 191     def __rdiv__(self, y):   192         """ x.__rdiv__(y) <==> y/x """193         pass194 195     def __repr__(self):   196         """ x.__repr__() <==> repr(x) """197         pass198 199     def __rfloordiv__(self, y):   200         """ x.__rfloordiv__(y) <==> y//x """201         pass202 203     def __rmod__(self, y):   204         """ x.__rmod__(y) <==> y%x """205         pass206 207     def __rmul__(self, y):   208         """ x.__rmul__(y) <==> y*x """209         pass210 211     def __rpow__(self, x, z=None):   212         """ y.__rpow__(x[, z]) <==> pow(x, y[, z]) """213         pass214 215     def __rsub__(self, y):   216         """ x.__rsub__(y) <==> y-x """217         pass218 219     def __rtruediv__(self, y):   220         """ x.__rtruediv__(y) <==> y/x """221         pass222 223     def __setformat__(self, typestr, fmt):   224         """225         float.__setformat__(typestr, fmt) -> None226         227         You probably don‘t want to use this function.  It exists mainly to be228         used in Python‘s test suite.229         230         typestr must be ‘double‘ or ‘float‘.  fmt must be one of ‘unknown‘,231         ‘IEEE, big-endian‘ or ‘IEEE, little-endian‘, and in addition can only be232         one of the latter two if it appears to match the underlying C reality.233         234         Override the automatic determination of C-level floating point type.235         This affects how floats are converted to and from binary strings.236         """237         pass238 239     def __str__(self):   240         """ x.__str__() <==> str(x) """241         pass242 243     def __sub__(self, y):   244         """ x.__sub__(y) <==> x-y """245         pass246 247     def __truediv__(self, y):   248         """ x.__truediv__(y) <==> x/y """249         pass250 251     def __trunc__(self, *args, **kwargs): # real signature unknown252         """ Return the Integral closest to x between 0 and x. """253         pass254 255     imag = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default256     """the imaginary part of a complex number"""257 258     real = property(lambda self: object(), lambda self, v: None, lambda self: None)  # default259     """the real part of a complex number"""260 261 float262 263 float

  1 class str(basestring):  2     """  3     str(object=‘‘) -> string  4       5     Return a nice string representation of the object.  6     If the argument is a string, the return value is the same object.  7     """  8     def capitalize(self):    9         """ 首字母变大写 """ 10         """ 11         S.capitalize() -> string 12          13         Return a copy of the string S with only its first character 14         capitalized. 15         """ 16         return "" 17  18     def center(self, width, fillchar=None):   19         """ 内容居中，width：总长度；fillchar：空白处填充内容，默认无 """ 20         """ 21         S.center(width[, fillchar]) -> string 22          23         Return S centered in a string of length width. Padding is 24         done using the specified fill character (default is a space) 25         """ 26         return "" 27  28     def count(self, sub, start=None, end=None):   29         """ 子序列个数 """ 30         """ 31         S.count(sub[, start[, end]]) -> int 32          33         Return the number of non-overlapping occurrences of substring sub in 34         string S[start:end].  Optional arguments start and end are interpreted 35         as in slice notation. 36         """ 37         return 0 38  39     def decode(self, encoding=None, errors=None):   40         """ 解码 """ 41         """ 42         S.decode([encoding[,errors]]) -> object 43          44         Decodes S using the codec registered for encoding. encoding defaults 45         to the default encoding. errors may be given to set a different error 46         handling scheme. Default is ‘strict‘ meaning that encoding errors raise 47         a UnicodeDecodeError. Other possible values are ‘ignore‘ and ‘replace‘ 48         as well as any other name registered with codecs.register_error that is 49         able to handle UnicodeDecodeErrors. 50         """ 51         return object() 52  53     def encode(self, encoding=None, errors=None):   54         """ 编码，针对unicode """ 55         """ 56         S.encode([encoding[,errors]]) -> object 57          58         Encodes S using the codec registered for encoding. encoding defaults 59         to the default encoding. errors may be given to set a different error 60         handling scheme. Default is ‘strict‘ meaning that encoding errors raise 61         a UnicodeEncodeError. Other possible values are ‘ignore‘, ‘replace‘ and 62         ‘xmlcharrefreplace‘ as well as any other name registered with 63         codecs.register_error that is able to handle UnicodeEncodeErrors. 64         """ 65         return object() 66  67     def endswith(self, suffix, start=None, end=None):   68         """ 是否以 xxx 结束 """ 69         """ 70         S.endswith(suffix[, start[, end]]) -> bool 71          72         Return True if S ends with the specified suffix, False otherwise. 73         With optional start, test S beginning at that position. 74         With optional end, stop comparing S at that position. 75         suffix can also be a tuple of strings to try. 76         """ 77         return False 78  79     def expandtabs(self, tabsize=None):   80         """ 将tab转换成空格，默认一个tab转换成8个空格 """ 81         """ 82         S.expandtabs([tabsize]) -> string 83          84         Return a copy of S where all tab characters are expanded using spaces. 85         If tabsize is not given, a tab size of 8 characters is assumed. 86         """ 87         return "" 88  89     def find(self, sub, start=None, end=None):   90         """ 寻找子序列位置，如果没找到，则异常 """ 91         """ 92         S.find(sub [,start [,end]]) -> int 93          94         Return the lowest index in S where substring sub is found, 95         such that sub is contained within S[start:end].  Optional 96         arguments start and end are interpreted as in slice notation. 97          98         Return -1 on failure. 99         """100         return 0101 102     def format(*args, **kwargs): # known special case of str.format103         """ 字符串格式化，动态参数，将函数式编程时细说 """104         """105         S.format(*args, **kwargs) -> string106         107         Return a formatted version of S, using substitutions from args and kwargs.108         The substitutions are identified by braces (‘{‘ and ‘}‘).109         """110         pass111 112     def index(self, sub, start=None, end=None):  113         """ 子序列位置，如果没找到，则返回-1  """114         S.index(sub [,start [,end]]) -> int115         116         Like S.find() but raise ValueError when the substring is not found.117         """118         return 0119 120     def isalnum(self):  121         """ 是否是字母和数字 """122         """123         S.isalnum() -> bool124         125         Return True if all characters in S are alphanumeric126         and there is at least one character in S, False otherwise.127         """128         return False129 130     def isalpha(self):  131         """ 是否是字母 """132         """133         S.isalpha() -> bool134         135         Return True if all characters in S are alphabetic136         and there is at least one character in S, False otherwise.137         """138         return False139 140     def isdigit(self):  141         """ 是否是数字 """142         """143         S.isdigit() -> bool144         145         Return True if all characters in S are digits146         and there is at least one character in S, False otherwise.147         """148         return False149 150     def islower(self):  151         """ 是否小写 """152         """153         S.islower() -> bool154         155         Return True if all cased characters in S are lowercase and there is156         at least one cased character in S, False otherwise.157         """158         return False159 160     def isspace(self):  161         """162         S.isspace() -> bool163         164         Return True if all characters in S are whitespace165         and there is at least one character in S, False otherwise.166         """167         return False168 169     def istitle(self):  170         """171         S.istitle() -> bool172         173         Return True if S is a titlecased string and there is at least one174         character in S, i.e. uppercase characters may only follow uncased175         characters and lowercase characters only cased ones. Return False176         otherwise.177         """178         return False179 180     def isupper(self):  181         """182         S.isupper() -> bool183         184         Return True if all cased characters in S are uppercase and there is185         at least one cased character in S, False otherwise.186         """187         return False188 189     def join(self, iterable):  190         """ 连接 """191         """192         S.join(iterable) -> string193         194         Return a string which is the concatenation of the strings in the195         iterable.  The separator between elements is S.196         """197         return ""198 199     def ljust(self, width, fillchar=None):  200         """ 内容左对齐，右侧填充 """201         """202         S.ljust(width[, fillchar]) -> string203         204         Return S left-justified in a string of length width. Padding is205         done using the specified fill character (default is a space).206         """207         return ""208 209     def lower(self):  210         """ 变小写 """211         """212         S.lower() -> string213         214         Return a copy of the string S converted to lowercase.215         """216         return ""217 218     def lstrip(self, chars=None):  219         """ 移除左侧空白 """220         """221         S.lstrip([chars]) -> string or unicode222         223         Return a copy of the string S with leading whitespace removed.224         If chars is given and not None, remove characters in chars instead.225         If chars is unicode, S will be converted to unicode before stripping226         """227         return ""228 229     def partition(self, sep):  230         """ 分割，前，中，后三部分 """231         """232         S.partition(sep) -> (head, sep, tail)233         234         Search for the separator sep in S, and return the part before it,235         the separator itself, and the part after it.  If the separator is not236         found, return S and two empty strings.237         """238         pass239 240     def replace(self, old, new, count=None):  241         """ 替换 """242         """243         S.replace(old, new[, count]) -> string244         245         Return a copy of string S with all occurrences of substring246         old replaced by new.  If the optional argument count is247         given, only the first count occurrences are replaced.248         """249         return ""250 251     def rfind(self, sub, start=None, end=None):  252         """253         S.rfind(sub [,start [,end]]) -> int254         255         Return the highest index in S where substring sub is found,256         such that sub is contained within S[start:end].  Optional257         arguments start and end are interpreted as in slice notation.258         259         Return -1 on failure.260         """261         return 0262 263     def rindex(self, sub, start=None, end=None):  264         """265         S.rindex(sub [,start [,end]]) -> int266         267         Like S.rfind() but raise ValueError when the substring is not found.268         """269         return 0270 271     def rjust(self, width, fillchar=None):  272         """273         S.rjust(width[, fillchar]) -> string274         275         Return S right-justified in a string of length width. Padding is276         done using the specified fill character (default is a space)277         """278         return ""279 280     def rpartition(self, sep):  281         """282         S.rpartition(sep) -> (head, sep, tail)283         284         Search for the separator sep in S, starting at the end of S, and return285         the part before it, the separator itself, and the part after it.  If the286         separator is not found, return two empty strings and S.287         """288         pass289 290     def rsplit(self, sep=None, maxsplit=None):  291         """292         S.rsplit([sep [,maxsplit]]) -> list of strings293         294         Return a list of the words in the string S, using sep as the295         delimiter string, starting at the end of the string and working296         to the front.  If maxsplit is given, at most maxsplit splits are297         done. If sep is not specified or is None, any whitespace string298         is a separator.299         """300         return []301 302     def rstrip(self, chars=None):  303         """304         S.rstrip([chars]) -> string or unicode305         306         Return a copy of the string S with trailing whitespace removed.307         If chars is given and not None, remove characters in chars instead.308         If chars is unicode, S will be converted to unicode before stripping309         """310         return ""311 312     def split(self, sep=None, maxsplit=None):  313         """ 分割， maxsplit最多分割几次 """314         """315         S.split([sep [,maxsplit]]) -> list of strings316         317         Return a list of the words in the string S, using sep as the318         delimiter string.  If maxsplit is given, at most maxsplit319         splits are done. If sep is not specified or is None, any320         whitespace string is a separator and empty strings are removed321         from the result.322         """323         return []324 325     def splitlines(self, keepends=False):  326         """ 根据换行分割 """327         """328         S.splitlines(keepends=False) -> list of strings329         330         Return a list of the lines in S, breaking at line boundaries.331         Line breaks are not included in the resulting list unless keepends332         is given and true.333         """334         return []335 336     def startswith(self, prefix, start=None, end=None):  337         """ 是否起始 """338         """339         S.startswith(prefix[, start[, end]]) -> bool340         341         Return True if S starts with the specified prefix, False otherwise.342         With optional start, test S beginning at that position.343         With optional end, stop comparing S at that position.344         prefix can also be a tuple of strings to try.345         """346         return False347 348     def strip(self, chars=None):  349         """ 移除两段空白 """350         """351         S.strip([chars]) -> string or unicode352         353         Return a copy of the string S with leading and trailing354         whitespace removed.355         If chars is given and not None, remove characters in chars instead.356         If chars is unicode, S will be converted to unicode before stripping357         """358         return ""359 360     def swapcase(self):  361         """ 大写变小写，小写变大写 """362         """363         S.swapcase() -> string364         365         Return a copy of the string S with uppercase characters366         converted to lowercase and vice versa.367         """368         return ""369 370     def title(self):  371         """372         S.title() -> string373         374         Return a titlecased version of S, i.e. words start with uppercase375         characters, all remaining cased characters have lowercase.376         """377         return ""378 379     def translate(self, table, deletechars=None):  380         """381         转换，需要先做一个对应表，最后一个表示删除字符集合382         intab = "aeiou"383         outtab = "12345"384         trantab = maketrans(intab, outtab)385         str = "this is string example....wow!!!"386         print str.translate(trantab, ‘xm‘)387         """388 389         """390         S.translate(table [,deletechars]) -> string391         392         Return a copy of the string S, where all characters occurring393         in the optional argument deletechars are removed, and the394         remaining characters have been mapped through the given395         translation table, which must be a string of length 256 or None.396         If the table argument is None, no translation is applied and397         the operation simply removes the characters in deletechars.398         """399         return ""400 401     def upper(self):  402         """403         S.upper() -> string404         405         Return a copy of the string S converted to uppercase.406         """407         return ""408 409     def zfill(self, width):  410         """方法返回指定长度的字符串，原字符串右对齐，前面填充0。"""411         """412         S.zfill(width) -> string413         414         Pad a numeric string S with zeros on the left, to fill a field415         of the specified width.  The string S is never truncated.416         """417         return ""418 419     def _formatter_field_name_split(self, *args, **kwargs): # real signature unknown420         pass421 422     def _formatter_parser(self, *args, **kwargs): # real signature unknown423         pass424 425     def __add__(self, y):  426         """ x.__add__(y) <==> x+y """427         pass428 429     def __contains__(self, y):  430         """ x.__contains__(y) <==> y in x """431         pass432 433     def __eq__(self, y):  434         """ x.__eq__(y) <==> x==y """435         pass436 437     def __format__(self, format_spec):  438         """439         S.__format__(format_spec) -> string440         441         Return a formatted version of S as described by format_spec.442         """443         return ""444 445     def __getattribute__(self, name):  446         """ x.__getattribute__(‘name‘) <==> x.name """447         pass448 449     def __getitem__(self, y):  450         """ x.__getitem__(y) <==> x[y] """451         pass452 453     def __getnewargs__(self, *args, **kwargs): # real signature unknown454         pass455 456     def __getslice__(self, i, j):  457         """458         x.__getslice__(i, j) <==> x[i:j]459                    460                    Use of negative indices is not supported.461         """462         pass463 464     def __ge__(self, y):  465         """ x.__ge__(y) <==> x>=y """466         pass467 468     def __gt__(self, y):  469         """ x.__gt__(y) <==> x>y """470         pass471 472     def __hash__(self):  473         """ x.__hash__() <==> hash(x) """474         pass475 476     def __init__(self, string=‘‘): # known special case of str.__init__477         """478         str(object=‘‘) -> string479         480         Return a nice string representation of the object.481         If the argument is a string, the return value is the same object.482         # (copied from class doc)483         """484         pass485 486     def __len__(self):  487         """ x.__len__() <==> len(x) """488         pass489 490     def __le__(self, y):  491         """ x.__le__(y) <==> x<=y """492         pass493 494     def __lt__(self, y):  495         """ x.__lt__(y) <==> x<y """496         pass497 498     def __mod__(self, y):  499         """ x.__mod__(y) <==> x%y """500         pass501 502     def __mul__(self, n):  503         """ x.__mul__(n) <==> x*n """504         pass505 506     @staticmethod # known case of __new__507     def __new__(S, *more):  508         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """509         pass510 511     def __ne__(self, y):  512         """ x.__ne__(y) <==> x!=y """513         pass514 515     def __repr__(self):  516         """ x.__repr__() <==> repr(x) """517         pass518 519     def __rmod__(self, y):  520         """ x.__rmod__(y) <==> y%x """521         pass522 523     def __rmul__(self, n):  524         """ x.__rmul__(n) <==> n*x """525         pass526 527     def __sizeof__(self):  528         """ S.__sizeof__() -> size of S in memory, in bytes """529         pass530 531     def __str__(self):  532         """ x.__str__() <==> str(x) """533         pass

  1 name = ‘alex‘ # str类的对象  2 1. capitalize 字符串首字母大写  3 自身不变，会生成一个新的值  4 v = name.capitalize() # 自动找到name关联的str类，执行其中的capitalize技能  5 print(name)  6 print(v)  7   8 2. 将所有大小变小写，casefold牛逼，德语...  9 name = ‘AleX‘ 10 v = name.casefold() # 跟牛逼，德语... 11 print(name) 12 print(v) 13  14 3. 将所有大小变小写 15 name = ‘AleX‘ 16 v = name.lower() 17 print(v) 18  19 4. 文本居中 20 参数1: 表示总长度 21 参数2：空白处填充的字符（长度为1） 22 name = ‘alex‘ 23 v = name.center(20) 24 print(v) 25 v = name.center(20,‘行‘) 26 print(v) 27  28 5. 表示传入之在字符串中出现的次数 29 参数1： 要查找的值（子序列） 30 参数2： 起始位置（索引） 31 参数3： 结束位置（索引） 32 name = "alexasdfdsafsdfasdfaaaaaaaa" 33 v = name.count(‘a‘) 34 print(v) 35 v = name.count(‘df‘) 36 print(v) 37  38 v = name.count(‘df‘,12) 39 print(v) 40 v = name.count(‘df‘,0,15) 41 print(v) 42  43 6. 是否以xx结尾 44 name = ‘alex‘ 45 v1 = name.endswith(‘ex‘) 46 print(v1) 47  48 7. 是否以xx开头 49 name = ‘alex‘ 50 v2 = name.startswith(‘al‘) 51 print(v2) 52  53 8. encode欠 54  55 9. 找到制表符\t,进行替换（包含前面的值） 56 PS: \n 57 name = "al\te\tx\nalex\tuu\tkkk" 58 v = name.expandtabs(20) 59 print(v) 60  61 10. 找到指定子序列的索引位置：不存在返回-1 62 name = ‘alex‘ 63 v = name.find(‘o‘) 64 print(v) 65 v = name.index(‘o‘) 66 print(v) 67  68 11.字符串格式化 69  70 tpl = "我是:%s;年龄:%s;性别:%s" 71  72 tpl = "我是:{0};年龄:{1};性别:{2}" 73 v = tpl.format("李杰",19,‘都行‘) 74 print(v) 75  76 tpl = "我是:{name};年龄:{age};性别:{gender}" 77 v = tpl.format(name=‘李杰‘,age=19,gender=‘随意‘) 78 print(v) 79  80 tpl = "我是:{name};年龄:{age};性别:{gender}" 81 v = tpl.format_map({‘name‘:"李杰",‘age‘:19,‘gender‘:‘中‘}) 82 print(v) 83  84  85 12. 是否是数字、汉子. 86 name  = ‘alex8汉子‘ 87 v = name.isalnum() # 字,数字 88 print(v) # True 89 v2 = name.isalpha()# 90 print(v2)# False 91  92 13. 判断是否是数字 93 num = ‘②‘ 94 v1 = num.isdecimal() # ‘123‘ 95 v2 = num.isdigit()   # ‘123‘，‘②‘ 96 v3 = num.isnumeric() # ‘123‘，‘二‘，‘②‘ 97 print(v1,v2,v3) 98  99 100 14. 是否是表示符101 n = ‘name‘102 v = n.isidentifier()103 print(v)104 105 15.是否全部是小写106 name = "ALEX"107 v = name.islower()108 print(v)109 v = name.isupper()110 print(v)111 112 16,.全部变大写，113 name = ‘alex‘114 v = name.upper()  # lower()115 print(v)116 117 17.是否包含隐含的xx118 name = "钓鱼要钓刀鱼，\n刀鱼要到岛上钓"119 v = name.isprintable()120 print(v)121 122 123 18.是否全部是空格124 name = ‘    ‘125 v = name.isspace()126 print(v)127 128 129 130 19.元素拼接（元素字符串） *****131 name = ‘alex‘132 133 v = "_".join(name) # 内部循环每个元素134 print(v)135 136 name_list = [‘海峰‘,‘杠娘‘,‘李杰‘,‘李泉‘]137 v = "搞".join(name_list)138 print(v)139 140 20. 左右填充141 center,rjust,ljust142 name = ‘alex‘143 v = name.rjust(20,‘*‘)144 print(v)145 146 147 21. 对应关系 + 翻译148 m = str.maketrans(‘aeiou‘,‘12345‘) # 对应关系149 150 name = "akpsojfasdufasdlkfj8ausdfakjsdfl;kjer09asdf"151 v = name.translate(m)152 print(v)153 154 22. 分割，保留分割的元素155 content = "李泉SB刘康SB刘一"156 v = content.partition(‘SB‘) # partition157 print(v)158 159 23. 替换160 content = "李泉SB刘康SB刘浩SB刘一"161 v = content.replace(‘SB‘,‘Love‘)162 print(v)163 v = content.replace(‘SB‘,‘Love‘,1)164 print(v)165 166 24，移除空白,\n,\t，自定义167 name = ‘alex\t‘168 v = name.strip() # 空白,\n,\t169 print(v)170 171 25. 大小写转换172 name = "Alex"173 v = name.swapcase()174 print(v)175 176 26. 填充0177 name = "alex"178 v = name.zfill(20)179 print(v)180 181 v1 = ‘alex‘182 v2 = ‘eric‘183 184 v = v1 + v2 # 执行v1的__add__功能185 print(v)

  1 class list(object):  2     """  3     list() -> new empty list  4     list(iterable) -> new list initialized from iterable‘s items  5     """  6     def append(self, p_object): # real signature unknown; restored from __doc__  7         """ L.append(object) -- append object to end """  8         pass  9  10     def count(self, value): # real signature unknown; restored from __doc__ 11         """ L.count(value) -> integer -- return number of occurrences of value """ 12         return 0 13  14     def extend(self, iterable): # real signature unknown; restored from __doc__ 15         """ L.extend(iterable) -- extend list by appending elements from the iterable """ 16         pass 17  18     def index(self, value, start=None, stop=None): # real signature unknown; restored from __doc__ 19         """ 20         L.index(value, [start, [stop]]) -> integer -- return first index of value. 21         Raises ValueError if the value is not present. 22         """ 23         return 0 24  25     def insert(self, index, p_object): # real signature unknown; restored from __doc__ 26         """ L.insert(index, object) -- insert object before index """ 27         pass 28  29     def pop(self, index=None): # real signature unknown; restored from __doc__ 30         """ 31         L.pop([index]) -> item -- remove and return item at index (default last). 32         Raises IndexError if list is empty or index is out of range. 33         """ 34         pass 35  36     def remove(self, value): # real signature unknown; restored from __doc__ 37         """ 38         L.remove(value) -- remove first occurrence of value. 39         Raises ValueError if the value is not present. 40         """ 41         pass 42  43     def reverse(self): # real signature unknown; restored from __doc__ 44         """ L.reverse() -- reverse *IN PLACE* """ 45         pass 46  47     def sort(self, cmp=None, key=None, reverse=False): # real signature unknown; restored from __doc__ 48         """ 49         L.sort(cmp=None, key=None, reverse=False) -- stable sort *IN PLACE*; 50         cmp(x, y) -> -1, 0, 1 51         """ 52         pass 53  54     def __add__(self, y): # real signature unknown; restored from __doc__ 55         """ x.__add__(y) <==> x+y """ 56         pass 57  58     def __contains__(self, y): # real signature unknown; restored from __doc__ 59         """ x.__contains__(y) <==> y in x """ 60         pass 61  62     def __delitem__(self, y): # real signature unknown; restored from __doc__ 63         """ x.__delitem__(y) <==> del x[y] """ 64         pass 65  66     def __delslice__(self, i, j): # real signature unknown; restored from __doc__ 67         """ 68         x.__delslice__(i, j) <==> del x[i:j] 69                     70                    Use of negative indices is not supported. 71         """ 72         pass 73  74     def __eq__(self, y): # real signature unknown; restored from __doc__ 75         """ x.__eq__(y) <==> x==y """ 76         pass 77  78     def __getattribute__(self, name): # real signature unknown; restored from __doc__ 79         """ x.__getattribute__(‘name‘) <==> x.name """ 80         pass 81  82     def __getitem__(self, y): # real signature unknown; restored from __doc__ 83         """ x.__getitem__(y) <==> x[y] """ 84         pass 85  86     def __getslice__(self, i, j): # real signature unknown; restored from __doc__ 87         """ 88         x.__getslice__(i, j) <==> x[i:j] 89                     90                    Use of negative indices is not supported. 91         """ 92         pass 93  94     def __ge__(self, y): # real signature unknown; restored from __doc__ 95         """ x.__ge__(y) <==> x>=y """ 96         pass 97  98     def __gt__(self, y): # real signature unknown; restored from __doc__ 99         """ x.__gt__(y) <==> x>y """100         pass101 102     def __iadd__(self, y): # real signature unknown; restored from __doc__103         """ x.__iadd__(y) <==> x+=y """104         pass105 106     def __imul__(self, y): # real signature unknown; restored from __doc__107         """ x.__imul__(y) <==> x*=y """108         pass109 110     def __init__(self, seq=()): # known special case of list.__init__111         """112         list() -> new empty list113         list(iterable) -> new list initialized from iterable‘s items114         # (copied from class doc)115         """116         pass117 118     def __iter__(self): # real signature unknown; restored from __doc__119         """ x.__iter__() <==> iter(x) """120         pass121 122     def __len__(self): # real signature unknown; restored from __doc__123         """ x.__len__() <==> len(x) """124         pass125 126     def __le__(self, y): # real signature unknown; restored from __doc__127         """ x.__le__(y) <==> x<=y """128         pass129 130     def __lt__(self, y): # real signature unknown; restored from __doc__131         """ x.__lt__(y) <==> x<y """132         pass133 134     def __mul__(self, n): # real signature unknown; restored from __doc__135         """ x.__mul__(n) <==> x*n """136         pass137 138     @staticmethod # known case of __new__139     def __new__(S, *more): # real signature unknown; restored from __doc__140         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """141         pass142 143     def __ne__(self, y): # real signature unknown; restored from __doc__144         """ x.__ne__(y) <==> x!=y """145         pass146 147     def __repr__(self): # real signature unknown; restored from __doc__148         """ x.__repr__() <==> repr(x) """149         pass150 151     def __reversed__(self): # real signature unknown; restored from __doc__152         """ L.__reversed__() -- return a reverse iterator over the list """153         pass154 155     def __rmul__(self, n): # real signature unknown; restored from __doc__156         """ x.__rmul__(n) <==> n*x """157         pass158 159     def __setitem__(self, i, y): # real signature unknown; restored from __doc__160         """ x.__setitem__(i, y) <==> x[i]=y """161         pass162 163     def __setslice__(self, i, j, y): # real signature unknown; restored from __doc__164         """165         x.__setslice__(i, j, y) <==> x[i:j]=y166                    167                    Use  of negative indices is not supported.168         """169         pass170 171     def __sizeof__(self): # real signature unknown; restored from __doc__172         """ L.__sizeof__() -- size of L in memory, in bytes """173         pass174 175     __hash__ = None176 177 list

 1 ########################################## list 列表 ########################################## 2 ## int=xx; str=‘xxx‘  list=‘xx‘ 3 user_list = [‘李泉‘,‘刘一‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型 4 PS: 5     name = ‘alex‘ 6 执行功能； 7 1.追加 8 user_list = [‘李泉‘,‘刘一‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型 9 user_list.append(‘刘铭‘)10 print(user_list)11 2. 清空12 user_list = [‘李泉‘,‘刘一‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型13 user_list.clear()14 print(user_list)15 16 3. 拷贝(浅拷贝)17 user_list = [‘李泉‘,‘刘一‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型18 v = user_list.copy()19 print(v)20 print(user_list)21 22 4. 计数23 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型24 v = user_list.count(‘李泉‘)25 print(v)26 27 5. 扩展原列表28 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型29 user_list.extend([‘郭少龙‘,‘郭少霞‘])30 print(user_list)31 32 6. 查找元素索引，没有报错33 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型34 v = user_list.index(‘李海‘)35 print(v)36 37 7. 删除并且获取元素 - 索引38 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型39 v = user_list.pop(1)40 print(v)41 print(user_list)42 43 8. 删除 - 值44 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型45 user_list.remove(‘刘一‘)46 print(user_list)47 48 9. 翻转49 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘] # 可变类型50 user_list.reverse()51 print(user_list)52 53 10. 排序： 欠参数54 nums = [11,22,3,3,9,88]55 print(nums)56 排序，从小到大57 nums.sort()58 print(nums)59 从大到小60 nums.sort(reverse=True)61 print(nums)62 63 #####  额外：64 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,‘小龙‘]65 user_list[0]66 user_list[1:5:2]67 del user_list[3]68 for i in user_list:69     print(i)70 user_list[1] = ‘姜日天‘71 user_list = [‘李泉‘,‘刘一‘,‘李泉‘,‘刘康‘,‘豆豆‘,[‘日天‘,‘日地‘,‘泰迪‘],‘小龙‘]

  1 class tuple(object):  2     """  3     tuple() -> empty tuple  4     tuple(iterable) -> tuple initialized from iterable‘s items  5       6     If the argument is a tuple, the return value is the same object.  7     """  8     def count(self, value): # real signature unknown; restored from __doc__  9         """ T.count(value) -> integer -- return number of occurrences of value """ 10         return 0 11  12     def index(self, value, start=None, stop=None): # real signature unknown; restored from __doc__ 13         """ 14         T.index(value, [start, [stop]]) -> integer -- return first index of value. 15         Raises ValueError if the value is not present. 16         """ 17         return 0 18  19     def __add__(self, y): # real signature unknown; restored from __doc__ 20         """ x.__add__(y) <==> x+y """ 21         pass 22  23     def __contains__(self, y): # real signature unknown; restored from __doc__ 24         """ x.__contains__(y) <==> y in x """ 25         pass 26  27     def __eq__(self, y): # real signature unknown; restored from __doc__ 28         """ x.__eq__(y) <==> x==y """ 29         pass 30  31     def __getattribute__(self, name): # real signature unknown; restored from __doc__ 32         """ x.__getattribute__(‘name‘) <==> x.name """ 33         pass 34  35     def __getitem__(self, y): # real signature unknown; restored from __doc__ 36         """ x.__getitem__(y) <==> x[y] """ 37         pass 38  39     def __getnewargs__(self, *args, **kwargs): # real signature unknown 40         pass 41  42     def __getslice__(self, i, j): # real signature unknown; restored from __doc__ 43         """ 44         x.__getslice__(i, j) <==> x[i:j] 45                     46                    Use of negative indices is not supported. 47         """ 48         pass 49  50     def __ge__(self, y): # real signature unknown; restored from __doc__ 51         """ x.__ge__(y) <==> x>=y """ 52         pass 53  54     def __gt__(self, y): # real signature unknown; restored from __doc__ 55         """ x.__gt__(y) <==> x>y """ 56         pass 57  58     def __hash__(self): # real signature unknown; restored from __doc__ 59         """ x.__hash__() <==> hash(x) """ 60         pass 61  62     def __init__(self, seq=()): # known special case of tuple.__init__ 63         """ 64         tuple() -> empty tuple 65         tuple(iterable) -> tuple initialized from iterable‘s items 66          67         If the argument is a tuple, the return value is the same object. 68         # (copied from class doc) 69         """ 70         pass 71  72     def __iter__(self): # real signature unknown; restored from __doc__ 73         """ x.__iter__() <==> iter(x) """ 74         pass 75  76     def __len__(self): # real signature unknown; restored from __doc__ 77         """ x.__len__() <==> len(x) """ 78         pass 79  80     def __le__(self, y): # real signature unknown; restored from __doc__ 81         """ x.__le__(y) <==> x<=y """ 82         pass 83  84     def __lt__(self, y): # real signature unknown; restored from __doc__ 85         """ x.__lt__(y) <==> x<y """ 86         pass 87  88     def __mul__(self, n): # real signature unknown; restored from __doc__ 89         """ x.__mul__(n) <==> x*n """ 90         pass 91  92     @staticmethod # known case of __new__ 93     def __new__(S, *more): # real signature unknown; restored from __doc__ 94         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """ 95         pass 96  97     def __ne__(self, y): # real signature unknown; restored from __doc__ 98         """ x.__ne__(y) <==> x!=y """ 99         pass100 101     def __repr__(self): # real signature unknown; restored from __doc__102         """ x.__repr__() <==> repr(x) """103         pass104 105     def __rmul__(self, n): # real signature unknown; restored from __doc__106         """ x.__rmul__(n) <==> n*x """107         pass108 109     def __sizeof__(self): # real signature unknown; restored from __doc__110         """ T.__sizeof__() -- size of T in memory, in bytes """111         pass

 1 user_tuple = (‘alex‘,‘eric‘,‘seven‘,‘alex‘) 2 1. 获取个数 3 v = user_tuple.count(‘alex‘) 4 print(v) 5 2.获取值的第一个索引位置 6 v = user_tuple.index(‘alex‘) 7 print(v) 8  9 ###### 额外：10 user_tuple = (‘alex‘,‘eric‘,‘seven‘,‘alex‘)11 for i in user_tuple:12     print(i)13 14 v = user_tuple[0]15 16 v = user_tuple[0:2]17 print(v)18 19 user_tuple = (‘alex‘,‘eric‘,‘seven‘,[‘陈涛‘,‘刘浩‘,‘赵芬芬‘],‘alex‘)20 user_tuple[0] = 123   x21 user_tuple[3] = [11,22,33] x22 user_tuple[3][1] = ‘刘一‘23 print(user_tuple)24 25 li = [‘陈涛‘,‘刘浩‘,(‘alex‘,‘eric‘,‘seven‘),‘赵芬芬‘]26 ****** 元组最后，加逗号 ******27 li = (‘alex‘,)28 print(li)

  1 class dict(object):  2     """  3     dict() -> new empty dictionary  4     dict(mapping) -> new dictionary initialized from a mapping object‘s  5         (key, value) pairs  6     dict(iterable) -> new dictionary initialized as if via:  7         d = {}  8         for k, v in iterable:  9             d[k] = v 10     dict(**kwargs) -> new dictionary initialized with the name=value pairs 11         in the keyword argument list.  For example:  dict(one=1, two=2) 12     """ 13  14     def clear(self): # real signature unknown; restored from __doc__ 15         """ 清除内容 """ 16         """ D.clear() -> None.  Remove all items from D. """ 17         pass 18  19     def copy(self): # real signature unknown; restored from __doc__ 20         """ 浅拷贝 """ 21         """ D.copy() -> a shallow copy of D """ 22         pass 23  24     @staticmethod # known case 25     def fromkeys(S, v=None): # real signature unknown; restored from __doc__ 26         """ 27         dict.fromkeys(S[,v]) -> New dict with keys from S and values equal to v. 28         v defaults to None. 29         """ 30         pass 31  32     def get(self, k, d=None): # real signature unknown; restored from __doc__ 33         """ 根据key获取值，d是默认值 """ 34         """ D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None. """ 35         pass 36  37     def has_key(self, k): # real signature unknown; restored from __doc__ 38         """ 是否有key """ 39         """ D.has_key(k) -> True if D has a key k, else False """ 40         return False 41  42     def items(self): # real signature unknown; restored from __doc__ 43         """ 所有项的列表形式 """ 44         """ D.items() -> list of D‘s (key, value) pairs, as 2-tuples """ 45         return [] 46  47     def iteritems(self): # real signature unknown; restored from __doc__ 48         """ 项可迭代 """ 49         """ D.iteritems() -> an iterator over the (key, value) items of D """ 50         pass 51  52     def iterkeys(self): # real signature unknown; restored from __doc__ 53         """ key可迭代 """ 54         """ D.iterkeys() -> an iterator over the keys of D """ 55         pass 56  57     def itervalues(self): # real signature unknown; restored from __doc__ 58         """ value可迭代 """ 59         """ D.itervalues() -> an iterator over the values of D """ 60         pass 61  62     def keys(self): # real signature unknown; restored from __doc__ 63         """ 所有的key列表 """ 64         """ D.keys() -> list of D‘s keys """ 65         return [] 66  67     def pop(self, k, d=None): # real signature unknown; restored from __doc__ 68         """ 获取并在字典中移除 """ 69         """ 70         D.pop(k[,d]) -> v, remove specified key and return the corresponding value. 71         If key is not found, d is returned if given, otherwise KeyError is raised 72         """ 73         pass 74  75     def popitem(self): # real signature unknown; restored from __doc__ 76         """ 获取并在字典中移除 """ 77         """ 78         D.popitem() -> (k, v), remove and return some (key, value) pair as a 79         2-tuple; but raise KeyError if D is empty. 80         """ 81         pass 82  83     def setdefault(self, k, d=None): # real signature unknown; restored from __doc__ 84         """ 如果key不存在，则创建，如果存在，则返回已存在的值且不修改 """ 85         """ D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D """ 86         pass 87  88     def update(self, E=None, **F): # known special case of dict.update 89         """ 更新 90             {‘name‘:‘alex‘, ‘age‘: 18000} 91             [(‘name‘,‘sbsbsb‘),] 92         """ 93         """ 94         D.update([E, ]**F) -> None.  Update D from dict/iterable E and F. 95         If E present and has a .keys() method, does:     for k in E: D[k] = E[k] 96         If E present and lacks .keys() method, does:     for (k, v) in E: D[k] = v 97         In either case, this is followed by: for k in F: D[k] = F[k] 98         """ 99         pass100 101     def values(self): # real signature unknown; restored from __doc__102         """ 所有的值 """103         """ D.values() -> list of D‘s values """104         return []105 106     def viewitems(self): # real signature unknown; restored from __doc__107         """ 所有项，只是将内容保存至view对象中 """108         """ D.viewitems() -> a set-like object providing a view on D‘s items """109         pass110 111     def viewkeys(self): # real signature unknown; restored from __doc__112         """ D.viewkeys() -> a set-like object providing a view on D‘s keys """113         pass114 115     def viewvalues(self): # real signature unknown; restored from __doc__116         """ D.viewvalues() -> an object providing a view on D‘s values """117         pass118 119     def __cmp__(self, y): # real signature unknown; restored from __doc__120         """ x.__cmp__(y) <==> cmp(x,y) """121         pass122 123     def __contains__(self, k): # real signature unknown; restored from __doc__124         """ D.__contains__(k) -> True if D has a key k, else False """125         return False126 127     def __delitem__(self, y): # real signature unknown; restored from __doc__128         """ x.__delitem__(y) <==> del x[y] """129         pass130 131     def __eq__(self, y): # real signature unknown; restored from __doc__132         """ x.__eq__(y) <==> x==y """133         pass134 135     def __getattribute__(self, name): # real signature unknown; restored from __doc__136         """ x.__getattribute__(‘name‘) <==> x.name """137         pass138 139     def __getitem__(self, y): # real signature unknown; restored from __doc__140         """ x.__getitem__(y) <==> x[y] """141         pass142 143     def __ge__(self, y): # real signature unknown; restored from __doc__144         """ x.__ge__(y) <==> x>=y """145         pass146 147     def __gt__(self, y): # real signature unknown; restored from __doc__148         """ x.__gt__(y) <==> x>y """149         pass150 151     def __init__(self, seq=None, **kwargs): # known special case of dict.__init__152         """153         dict() -> new empty dictionary154         dict(mapping) -> new dictionary initialized from a mapping object‘s155             (key, value) pairs156         dict(iterable) -> new dictionary initialized as if via:157             d = {}158             for k, v in iterable:159                 d[k] = v160         dict(**kwargs) -> new dictionary initialized with the name=value pairs161             in the keyword argument list.  For example:  dict(one=1, two=2)162         # (copied from class doc)163         """164         pass165 166     def __iter__(self): # real signature unknown; restored from __doc__167         """ x.__iter__() <==> iter(x) """168         pass169 170     def __len__(self): # real signature unknown; restored from __doc__171         """ x.__len__() <==> len(x) """172         pass173 174     def __le__(self, y): # real signature unknown; restored from __doc__175         """ x.__le__(y) <==> x<=y """176         pass177 178     def __lt__(self, y): # real signature unknown; restored from __doc__179         """ x.__lt__(y) <==> x<y """180         pass181 182     @staticmethod # known case of __new__183     def __new__(S, *more): # real signature unknown; restored from __doc__184         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """185         pass186 187     def __ne__(self, y): # real signature unknown; restored from __doc__188         """ x.__ne__(y) <==> x!=y """189         pass190 191     def __repr__(self): # real signature unknown; restored from __doc__192         """ x.__repr__() <==> repr(x) """193         pass194 195     def __setitem__(self, i, y): # real signature unknown; restored from __doc__196         """ x.__setitem__(i, y) <==> x[i]=y """197         pass198 199     def __sizeof__(self): # real signature unknown; restored from __doc__200         """ D.__sizeof__() -> size of D in memory, in bytes """201         pass202 203     __hash__ = None

 1 1. 清空、 2 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘} 3 dic.clear() 4 print(dic) 5  6 2. 浅拷贝 7 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘} 8 v = dic.copy() 9 print(v)10 11 3. 根据key获取指定的value；不存在不报错12 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘}13 v = dic.get(‘k1111‘,1111)14 print(v)15 v = dic[‘k1111‘]16 print(v)17 18 4. 删除并获取对应的value值19 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘}20 v = dic.pop(‘k1‘)21 print(dic)22 print(v)23 24 5. 随机删除键值对，并获取到删除的键值25 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘}26 v = dic.popitem()27 print(dic)28 print(v)29 30 k,v = dic.popitem() # (‘k2‘, ‘v2‘)31 print(dic)32 print(k,v)33 34 v = dic.popitem() # (‘k2‘, ‘v2‘)35 print(dic)36 print(v[0],v[1])37 38 6. 增加，如果存在则不做操作39 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘}40 dic.setdefault(‘k3‘,‘v3‘)41 print(dic)42 dic.setdefault(‘k1‘,‘1111111‘)43 print(dic)44 7. 批量增加或修改45 dic = {‘k1‘:‘v1‘,‘k2‘:‘v2‘}46 dic.update({‘k3‘:‘v3‘,‘k1‘:‘v24‘})47 print(dic)48 49 50 dic = dict.fromkeys([‘k1‘,‘k2‘,‘k3‘],123)51 print(dic)52 dic = dict.fromkeys([‘k1‘,‘k2‘,‘k3‘],123)53 dic[‘k1‘] = ‘asdfjasldkf‘54 print(dic)55 56 dic = dict.fromkeys([‘k1‘,‘k2‘,‘k3‘],[1,])57 {58    k1: 123123213, # [1,2]59    k2: 123123213, # [1,]60    k3: 123123213, # [1,]61 }62 dic[‘k1‘].append(222)63 print(dic)64 ########## 额外：65 - 字典可以嵌套66 - 字典key: 必须是不可变类型67 dic = {68     ‘k1‘: ‘v1‘,69     ‘k2‘: [1,2,3,],70     (1,2): ‘lllll‘,71     1: ‘fffffffff‘,72     111: ‘asdf‘,73 }74 print(dic)75 key:76     - 不可变77     - True,178 79 dic = {‘k1‘:‘v1‘}80 del dic[‘k1‘]81 82 布尔值：83 1 True84 0 False85 86 bool(1111)

  1 class set(object):  2     """  3     set() -> new empty set object  4     set(iterable) -> new set object  5       6     Build an unordered collection of unique elements.  7     """  8     def add(self, *args, **kwargs): # real signature unknown  9         """ 添加 """ 10         """ 11         Add an element to a set. 12          13         This has no effect if the element is already present. 14         """ 15         pass 16  17     def clear(self, *args, **kwargs): # real signature unknown 18         """ Remove all elements from this set. """ 19         pass 20  21     def copy(self, *args, **kwargs): # real signature unknown 22         """ Return a shallow copy of a set. """ 23         pass 24  25     def difference(self, *args, **kwargs): # real signature unknown 26         """ 27         Return the difference of two or more sets as a new set. 28          29         (i.e. all elements that are in this set but not the others.) 30         """ 31         pass 32  33     def difference_update(self, *args, **kwargs): # real signature unknown 34         """ 删除当前set中的所有包含在 new set 里的元素 """ 35         """ Remove all elements of another set from this set. """ 36         pass 37  38     def discard(self, *args, **kwargs): # real signature unknown 39         """ 移除元素 """ 40         """ 41         Remove an element from a set if it is a member. 42          43         If the element is not a member, do nothing. 44         """ 45         pass 46  47     def intersection(self, *args, **kwargs): # real signature unknown 48         """ 取交集，新创建一个set """ 49         """ 50         Return the intersection of two or more sets as a new set. 51          52         (i.e. elements that are common to all of the sets.) 53         """ 54         pass 55  56     def intersection_update(self, *args, **kwargs): # real signature unknown 57         """ 取交集，修改原来set """ 58         """ Update a set with the intersection of itself and another. """ 59         pass 60  61     def isdisjoint(self, *args, **kwargs): # real signature unknown 62         """ 如果没有交集，返回true  """ 63         """ Return True if two sets have a null intersection. """ 64         pass 65  66     def issubset(self, *args, **kwargs): # real signature unknown 67         """ 是否是子集 """ 68         """ Report whether another set contains this set. """ 69         pass 70  71     def issuperset(self, *args, **kwargs): # real signature unknown 72         """ 是否是父集 """ 73         """ Report whether this set contains another set. """ 74         pass 75  76     def pop(self, *args, **kwargs): # real signature unknown 77         """ 移除 """ 78         """ 79         Remove and return an arbitrary set element. 80         Raises KeyError if the set is empty. 81         """ 82         pass 83  84     def remove(self, *args, **kwargs): # real signature unknown 85         """ 移除 """ 86         """ 87         Remove an element from a set; it must be a member. 88          89         If the element is not a member, raise a KeyError. 90         """ 91         pass 92  93     def symmetric_difference(self, *args, **kwargs): # real signature unknown 94         """ 差集，创建新对象""" 95         """ 96         Return the symmetric difference of two sets as a new set. 97          98         (i.e. all elements that are in exactly one of the sets.) 99         """100         pass101 102     def symmetric_difference_update(self, *args, **kwargs): # real signature unknown103         """ 差集，改变原来 """104         """ Update a set with the symmetric difference of itself and another. """105         pass106 107     def union(self, *args, **kwargs): # real signature unknown108         """ 并集 """109         """110         Return the union of sets as a new set.111         112         (i.e. all elements that are in either set.)113         """114         pass115 116     def update(self, *args, **kwargs): # real signature unknown117         """ 更新 """118         """ Update a set with the union of itself and others. """119         pass120 121     def __and__(self, y): # real signature unknown; restored from __doc__122         """ x.__and__(y) <==> x&y """123         pass124 125     def __cmp__(self, y): # real signature unknown; restored from __doc__126         """ x.__cmp__(y) <==> cmp(x,y) """127         pass128 129     def __contains__(self, y): # real signature unknown; restored from __doc__130         """ x.__contains__(y) <==> y in x. """131         pass132 133     def __eq__(self, y): # real signature unknown; restored from __doc__134         """ x.__eq__(y) <==> x==y """135         pass136 137     def __getattribute__(self, name): # real signature unknown; restored from __doc__138         """ x.__getattribute__(‘name‘) <==> x.name """139         pass140 141     def __ge__(self, y): # real signature unknown; restored from __doc__142         """ x.__ge__(y) <==> x>=y """143         pass144 145     def __gt__(self, y): # real signature unknown; restored from __doc__146         """ x.__gt__(y) <==> x>y """147         pass148 149     def __iand__(self, y): # real signature unknown; restored from __doc__150         """ x.__iand__(y) <==> x&=y """151         pass152 153     def __init__(self, seq=()): # known special case of set.__init__154         """155         set() -> new empty set object156         set(iterable) -> new set object157         158         Build an unordered collection of unique elements.159         # (copied from class doc)160         """161         pass162 163     def __ior__(self, y): # real signature unknown; restored from __doc__164         """ x.__ior__(y) <==> x|=y """165         pass166 167     def __isub__(self, y): # real signature unknown; restored from __doc__168         """ x.__isub__(y) <==> x-=y """169         pass170 171     def __iter__(self): # real signature unknown; restored from __doc__172         """ x.__iter__() <==> iter(x) """173         pass174 175     def __ixor__(self, y): # real signature unknown; restored from __doc__176         """ x.__ixor__(y) <==> x^=y """177         pass178 179     def __len__(self): # real signature unknown; restored from __doc__180         """ x.__len__() <==> len(x) """181         pass182 183     def __le__(self, y): # real signature unknown; restored from __doc__184         """ x.__le__(y) <==> x<=y """185         pass186 187     def __lt__(self, y): # real signature unknown; restored from __doc__188         """ x.__lt__(y) <==> x<y """189         pass190 191     @staticmethod # known case of __new__192     def __new__(S, *more): # real signature unknown; restored from __doc__193         """ T.__new__(S, ...) -> a new object with type S, a subtype of T """194         pass195 196     def __ne__(self, y): # real signature unknown; restored from __doc__197         """ x.__ne__(y) <==> x!=y """198         pass199 200     def __or__(self, y): # real signature unknown; restored from __doc__201         """ x.__or__(y) <==> x|y """202         pass203 204     def __rand__(self, y): # real signature unknown; restored from __doc__205         """ x.__rand__(y) <==> y&x """206         pass207 208     def __reduce__(self, *args, **kwargs): # real signature unknown209         """ Return state information for pickling. """210         pass211 212     def __repr__(self): # real signature unknown; restored from __doc__213         """ x.__repr__() <==> repr(x) """214         pass215 216     def __ror__(self, y): # real signature unknown; restored from __doc__217         """ x.__ror__(y) <==> y|x """218         pass219 220     def __rsub__(self, y): # real signature unknown; restored from __doc__221         """ x.__rsub__(y) <==> y-x """222         pass223 224     def __rxor__(self, y): # real signature unknown; restored from __doc__225         """ x.__rxor__(y) <==> y^x """226         pass227 228     def __sizeof__(self): # real signature unknown; restored from __doc__229         """ S.__sizeof__() -> size of S in memory, in bytes """230         pass231 232     def __sub__(self, y): # real signature unknown; restored from __doc__233         """ x.__sub__(y) <==> x-y """234         pass235 236     def __xor__(self, y): # real signature unknown; restored from __doc__237         """ x.__xor__(y) <==> x^y """238         pass239 240     __hash__ = None241 242 set

 1 ##################################### set，集合，不可重复的列表；可变类型 ##################################### 2 s1 = {"alex",‘eric‘,‘tony‘,‘李泉‘,‘李泉11‘} 3 s2 = {"alex",‘eric‘,‘tony‘,‘刘一‘} 4  5 1.s1中存在，s2中不存在 6 v = s1.difference(s2) 7 print(v) 8 ####　s1中存在，s2中不存在，然后对s1清空，然后在重新复制 9 s1.difference_update(s2)10 print(s1)11 12 2.s2中存在，s1中不存在13 v = s2.difference(s1)14 print(v)15 16 3.s2中存在，s1中不存在17 s1中存在，s2中不存在18 v = s1.symmetric_difference(s2)19 print(v)20 4. 交集21 v = s1.intersection(s2)22 print(v)23 5. 并集24 v = s1.union(s2)25 print(v)26 27 6. 移除28 s1 = {"alex",‘eric‘,‘tony‘,‘李泉‘,‘李泉11‘}29 s1.discard(‘alex‘)30 print(s1)31 32 s1 = {"alex",‘eric‘,‘tony‘,‘李泉‘,‘李泉11‘}33 s1.update({‘alex‘,‘123123‘,‘fff‘})34 print(s1)35 ##### 额外：36 37 s1 = {"alex",‘eric‘,‘tony‘,‘李泉‘,‘李泉11‘}38 for i in s1:39     print(i)40 41 s1 = {"alex",‘eric‘,‘tony‘,‘李泉‘,‘李泉11‘,(11,22,33)}42 for i in s1:43     print(i)