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Python实战之int学习笔记及简单练习

2024-10-15 09:45:39   213人阅读

[‘__abs__‘, ‘__add__‘, ‘__and__‘, ‘__bool__‘, ‘__ceil__‘, ‘__class__‘, ‘__delattr__‘, ‘__dir__‘, ‘__divmod__‘, ‘__doc__‘, ‘__eq__‘, ‘__float__‘, ‘__floor__‘, ‘__floordiv__‘, ‘__format__‘, ‘__ge__‘, ‘__getattribute__‘, ‘__getnewargs__‘, ‘__gt__‘, ‘__hash__‘, ‘__index__‘, ‘__init__‘, ‘__init_subclass__‘, ‘__int__‘, ‘__invert__‘, ‘__le__‘, ‘__lshift__‘, ‘__lt__‘, ‘__mod__‘, ‘__mul__‘, ‘__ne__‘, ‘__neg__‘, ‘__new__‘, ‘__or__‘, ‘__pos__‘, ‘__pow__‘, ‘__radd__‘, ‘__rand__‘, ‘__rdivmod__‘, ‘__reduce__‘, ‘__reduce_ex__‘, ‘__repr__‘, ‘__rfloordiv__‘, ‘__rlshift__‘, ‘__rmod__‘, ‘__rmul__‘, ‘__ror__‘, ‘__round__‘, ‘__rpow__‘, ‘__rrshift__‘, ‘__rshift__‘, ‘__rsub__‘, ‘__rtruediv__‘, ‘__rxor__‘, ‘__setattr__‘, ‘__sizeof__‘, ‘__str__‘, ‘__sub__‘, ‘__subclasshook__‘, ‘__truediv__‘, ‘__trunc__‘, ‘__xor__‘, ‘bit_length‘, ‘conjugate‘, ‘denominator‘, ‘from_bytes‘, ‘imag‘, ‘numerator‘, ‘real‘, ‘to_bytes‘]

 

 def __repr__(self): 
        """转化为解释器可读取的形式 """
        """ x.__repr__() <==> repr(x) """
        pass

    def __str__(self): 
        """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"""
        """ x.__str__() <==> str(x) """
        pass

def __trunc__(self, *args, **kwargs): 
        """ 返回数值被截取为整形的值，在整形中无意义 """
        pass


num = 37
nu2 = -10

# print(dir(num))

# print(num.bit_length())
# 6

# print(bin(num))
# 0b100101

# print(num.conjugate())
# 37

# print(nu2.__abs__())
# 10
# print(abs(nu2))
# 10

# print(num.__add__(nu2))
# 27
# print(num + nu2)
# 27

# print(num.__and__(nu2))
# 36
# print(num&nu2)
# 36

""" 相除，得到商和余数组成的元组 """
# print(num.__divmod__(nu2))
# (-4, -3)
# print(divmod(num,nu2))
# (-4, -3)

x = 12
y = -5

# print(x/y)
# -2.4
#
# print(x.__float__())
# print(float(x))
# 12.0

# print(x.__floordiv__(y))
# print(x//y)
# -3

# print(x.__hash__())
# print(hash(x))
# 12

# print(x.__invert__())
#  -13
# print(~x)

# print(x.__lshift__(1))
# print(x<<1)
# 24

# print(x.__mod__(y))
# print(x%y)
# -3

# print(x.__mul__(y))
# print(x*y)
# -60

# print(x.__neg__())
# print(-x)
# -12

# print(x != 0)
# True

# print(x.__or__(y))
# print(x | y)
# -1

# print(x.__pos__())
# print(+x)
# 12

# print(x.__pow__(y))
# print(pow(x,y))
# 4.018775720164609e-06

# print(x.__radd__(y))
# print(y + x)
# 7

# print(x.__rand__(y))
# print(y&x)
# 8
print(x,y)
# print(x.__rdivmod__(y))
# print(divmod(y,x))
# (-1,7)

# print(x.__repr__())
# print(repr(x))
# print(x.__str__())
# print(str(x))
# 12

print(x.__trunc__())

 

Python实战之int学习笔记及简单练习


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