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Python开发（基础）：列表List
List 内置函数
#!/usr/bin/env python # -*- coding:utf-8 -*- # class list(object): # """ # list() -> new empty list # list(iterable) -> new list initialized from iterable‘s items # """ # # def append(self, p_object): # real signature unknown; restored from __doc__ # 在list尾部追加 # """ L.append(object) -- append object to end """ # pass li = [‘alex‘,‘tom‘,‘aric‘,‘tony‘,‘alex‘] li.append(‘jason‘) print li #[‘alex‘, ‘tom‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘] # def count(self, value): # real signature unknown; restored from __doc__ # 返回list中某个值出现的次数 # """ L.count(value) -> integer -- return number of occurrences of value """ # return 0 print li.count(‘alex‘) # def extend(self, iterable): # real signature unknown; restored from __doc__ # 将一个可迭代的对象追加到list尾部 # """ L.extend(iterable) -- extend list by appending elements from the iterable """ # pass li.extend((‘steven‘,‘whales‘)) print li #[‘alex‘, ‘tom‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘, ‘steven‘, ‘whales‘] li.extend(‘Tomcat‘) #[‘alex‘, ‘tom‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘, ‘steven‘, ‘whales‘, ‘T‘, ‘o‘, ‘m‘, ‘c‘, ‘a‘, ‘t‘] print li # def index(self, value, start=None, stop=None): # real signature unknown; restored from __doc__ # 返回list中某个值第一次出现的索引位置 # """ # L.index(value, [start, [stop]]) -> integer -- return first index of value. # Raises ValueError if the value is not present. # """ # return 0 print li.index(‘alex‘) #0 # def insert(self, index, p_object): # real signature unknown; restored from __doc__ # 在list的某个索引位置插入一个值 # """ L.insert(index, object) -- insert object before index """ # pass li.insert(2,‘Andy‘) print li #[‘alex‘, ‘tom‘, ‘Andy‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘, ‘steven‘, ‘whales‘, ‘T‘, ‘o‘, ‘m‘, ‘c‘, ‘a‘, ‘t‘] # def pop(self, index=None): # real signature unknown; restored from __doc__ # """ # 取出list中最后一个索引位置上的值，并删除 # L.pop([index]) -> item -- remove and return item at index (default last). # Raises IndexError if list is empty or index is out of range. # """ # pass last_value = li.pop() print last_value; print li #t #[‘alex‘, ‘tom‘, ‘Andy‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘, ‘steven‘, ‘whales‘, ‘T‘, ‘o‘, ‘m‘, ‘c‘, ‘a‘] # def remove(self, value): # real signature unknown; restored from __doc__ # """ # 删除list中某个值，从左往右，只删除一次，如果存在多个相同的值需要全部删除，需执行多次 # L.remove(value) -- remove first occurrence of value. # Raises ValueError if the value is not present. # """ # pass li.remove(‘alex‘) print li #[‘tom‘, ‘Andy‘, ‘aric‘, ‘tony‘, ‘alex‘, ‘jason‘, ‘steven‘, ‘whales‘, ‘T‘, ‘o‘, ‘m‘, ‘c‘, ‘a‘] # def reverse(self): # real signature unknown; restored from __doc__ # 反转 # """ L.reverse() -- reverse *IN PLACE* """ # pass li.reverse() print li #[‘a‘, ‘c‘, ‘m‘, ‘o‘, ‘T‘, ‘whales‘, ‘steven‘, ‘jason‘, ‘alex‘, ‘tony‘, ‘aric‘, ‘Andy‘, ‘tom‘] # def sort(self, cmp=None, key=None, reverse=False): # real signature unknown; restored from __doc__ # """ # 排序 # L.sort(cmp=None, key=None, reverse=False) -- stable sort *IN PLACE*; # cmp(x, y) -> -1, 0, 1 # """ # pass li.sort() print li #[‘Andy‘, ‘T‘, ‘a‘, ‘alex‘, ‘aric‘, ‘c‘, ‘jason‘, ‘m‘, ‘o‘, ‘steven‘, ‘tom‘, ‘tony‘, ‘whales‘] # def __add__(self, y): # real signature unknown; restored from __doc__ # """ x.__add__(y) <==> x+y """ # pass # # def __contains__(self, y): # real signature unknown; restored from __doc__ # """ x.__contains__(y) <==> y in x """ # pass # # def __delitem__(self, y): # real signature unknown; restored from __doc__ # """ x.__delitem__(y) <==> del x[y] """ # pass # # def __delslice__(self, i, j): # real signature unknown; restored from __doc__ # """ # x.__delslice__(i, j) <==> del x[i:j] # # Use of negative indices is not supported. # """ # pass # # def __eq__(self, y): # real signature unknown; restored from __doc__ # """ x.__eq__(y) <==> x==y """ # pass # # def __getattribute__(self, name): # real signature unknown; restored from __doc__ # """ x.__getattribute__(‘name‘) <==> x.name """ # pass # # def __getitem__(self, y): # real signature unknown; restored from __doc__ # """ x.__getitem__(y) <==> x[y] """ # pass # # def __getslice__(self, i, j): # real signature unknown; restored from __doc__ # """ # x.__getslice__(i, j) <==> x[i:j] # # Use of negative indices is not supported. # """ # pass # # def __ge__(self, y): # real signature unknown; restored from __doc__ # """ x.__ge__(y) <==> x>=y """ # pass # # def __gt__(self, y): # real signature unknown; restored from __doc__ # """ x.__gt__(y) <==> x>y """ # pass # # def __iadd__(self, y): # real signature unknown; restored from __doc__ # """ x.__iadd__(y) <==> x+=y """ # pass # # def __imul__(self, y): # real signature unknown; restored from __doc__ # """ x.__imul__(y) <==> x*=y """ # pass # # def __init__(self, seq=()): # known special case of list.__init__ # """ # list() -> new empty list # list(iterable) -> new list initialized from iterable‘s items # # (copied from class doc) # """ # pass # # def __iter__(self): # real signature unknown; restored from __doc__ # """ x.__iter__() <==> iter(x) """ # pass # # def __len__(self): # real signature unknown; restored from __doc__ # """ x.__len__() <==> len(x) """ # pass # # def __le__(self, y): # real signature unknown; restored from __doc__ # """ x.__le__(y) <==> x<=y """ # pass # # def __lt__(self, y): # real signature unknown; restored from __doc__ # """ x.__lt__(y) <==> x<y """ # pass # # def __mul__(self, n): # real signature unknown; restored from __doc__ # """ x.__mul__(n) <==> x*n """ # pass # # @staticmethod # known case of __new__ # def __new__(S, *more): # real signature unknown; restored from __doc__ # """ T.__new__(S, ...) -> a new object with type S, a subtype of T """ # pass # # def __ne__(self, y): # real signature unknown; restored from __doc__ # """ x.__ne__(y) <==> x!=y """ # pass # # def __repr__(self): # real signature unknown; restored from __doc__ # """ x.__repr__() <==> repr(x) """ # pass # # def __reversed__(self): # real signature unknown; restored from __doc__ # """ L.__reversed__() -- return a reverse iterator over the list """ # pass # # def __rmul__(self, n): # real signature unknown; restored from __doc__ # """ x.__rmul__(n) <==> n*x """ # pass # # def __setitem__(self, i, y): # real signature unknown; restored from __doc__ # """ x.__setitem__(i, y) <==> x[i]=y """ # pass # # def __setslice__(self, i, j, y): # real signature unknown; restored from __doc__ # """ # x.__setslice__(i, j, y) <==> x[i:j]=y # # Use of negative indices is not supported. # """ # pass # # def __sizeof__(self): # real signature unknown; restored from __doc__ # """ L.__sizeof__() -- size of L in memory, in bytes """ # pass # # __hash__ = None
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Python开发（基础）：列表List
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