1.4 python数据类型之list类
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类名list
- 索引： 可以通过索引修改list中元素的值
- 可迭代： 可以使用for in 语句循环
1 def append(self, p_object): # real signature unknown; restored from __doc__ 2 """ 向列表的末尾添加元素 """ 3 """ L.append(object) -> None -- append object to end """ 4 pass 5 6 def clear(self): # real signature unknown; restored from __doc__ 7 """ 清除列表 """ 8 """ L.clear() -> None -- remove all items from L """ 9 pass 10 11 def copy(self): # real signature unknown; restored from __doc__ 12 """ 拷贝列表 浅拷贝 """ 13 """ L.copy() -> list -- a shallow copy of L """ 14 return [] 15 16 def count(self, value): # real signature unknown; restored from __doc__ 17 """ 返回子元素出现的次数 """ 18 """ L.count(value) -> integer -- return number of occurrences of value """ 19 return 0 20 21 def extend(self, iterable): # real signature unknown; restored from __doc__ 22 """ x.extend(y) 将y中的元素循环迭代添加到x中""" 23 """ L.extend(iterable) -> None -- extend list by appending elements from the iterable """ 24 pass 25 26 def index(self, value, start=None, stop=None): # real signature unknown; restored from __doc__ 27 """ 返回子元素的索引 start为开始位置 end为结束位置 """ 28 """ 29 L.index(value, [start, [stop]]) -> integer -- return first index of value. 30 Raises ValueError if the value is not present. 31 """ 32 return 0 33 34 def insert(self, index, p_object): # real signature unknown; restored from __doc__ 35 """ 在指定索引处插入元素 """ 36 """ L.insert(index, object) -- insert object before index """ 37 pass 38 39 def pop(self, index=None): # real signature unknown; restored from __doc__ 40 """ 删除列表中的一个元素，index为要删除元素的索引，默认为最后一个元素 """ 41 """ 42 L.pop([index]) -> item -- remove and return item at index (default last). 43 Raises IndexError if list is empty or index is out of range. 44 """ 45 pass 46 47 def remove(self, value): # real signature unknown; restored from __doc__ 48 """ 从列表中删除指定的元素 """ 49 """ 50 L.remove(value) -> None -- remove first occurrence of value. 51 Raises ValueError if the value is not present. 52 """ 53 pass 54 55 def reverse(self): # real signature unknown; restored from __doc__ 56 """ 反转列表 """ 57 """ L.reverse() -- reverse *IN PLACE* """ 58 pass 59 60 def sort(self, key=None, reverse=False): # real signature unknown; restored from __doc__ 61 """ 将列表中的元素排序，reverse=False为升序，reverse=True为降序 key是用来比较的参数 """ 62 """ L.sort(key=None, reverse=False) -> None -- stable sort *IN PLACE* """ 63 pass 64 65 def __add__(self, *args, **kwargs): # real signature unknown 66 """ 列表的加法运算，只能加一个列表类型的对象 """ 67 """ Return self+value. """ 68 pass 69 70 def __contains__(self, *args, **kwargs): # real signature unknown 71 """ 是否包含 """ 72 """ Return key in self. """ 73 pass 74 75 def __delitem__(self, *args, **kwargs): # real signature unknown 76 """ 根据索引删除值 """ 77 """ Delete self[key]. """ 78 pass 79 80 def __eq__(self, *args, **kwargs): # real signature unknown 81 """ 判断左边的列表是或等于右边的列表 """ 82 """ Return self==value. """ 83 pass 84 85 def __getattribute__(self, *args, **kwargs): # real signature unknown 86 """ 内部调用__new__方法或传入参数使用 """ 87 """ Return getattr(self, name). """ 88 pass 89 90 def __getitem__(self, y): # real signature unknown; restored from __doc__ 91 """ 根据索引获取值 """ 92 """ x.__getitem__(y) <==> x[y] """ 93 pass 94 95 def __ge__(self, *args, **kwargs): # real signature unknown 96 """ 判断左边的列表是或大于等于右边的列表 """ 97 """ Return self>=value. """ 98 pass 99 100 def __gt__(self, *args, **kwargs): # real signature unknown 101 """ 判断左边的列表是或大于右边的列表 """ 102 """ Return self>value. """ 103 pass 104 105 def __iadd__(self, *args, **kwargs): # real signature unknown 106 """ 将原列表进行加法运算后返回给原列表，可以加一个字符串类型或列表类型的对象 """ 107 """ Implement self+=value. """ 108 pass 109 110 def __imul__(self, *args, **kwargs): # real signature unknown 111 """ 将列表进行乘法运算后返回给原列表 """ 112 """ """ 113 """ Implement self*=value. """ 114 pass 115 116 def __init__(self, seq=()): # known special case of list.__init__ 117 """ 构造方法，创建列表对象时调用 """ 118 """ 119 list() -> new empty list 120 list(iterable) -> new list initialized from iterable‘s items 121 # (copied from class doc) 122 """ 123 pass 124 125 def __iter__(self, *args, **kwargs): # real signature unknown 126 """ 返回这个列表的可迭代对象 """ 127 """ Implement iter(self). """ 128 pass 129 130 def __len__(self, *args, **kwargs): # real signature unknown 131 """ 返回列表的长度 """ 132 """ Return len(self). """ 133 pass 134 135 def __le__(self, *args, **kwargs): # real signature unknown 136 """ 判断左边的列表是否小于右边的列表 """ 137 """ Return self<=value. """ 138 pass 139 140 def __lt__(self, *args, **kwargs): # real signature unknown 141 """ """ 142 """ Return self<value. """ 143 pass 144 145 def __mul__(self, *args, **kwargs): # real signature unknown 146 """ 列表的乘法运算 """ 147 """ Return self*value.n """ 148 pass 149 150 @staticmethod # known case of __new__ 151 def __new__(*args, **kwargs): # real signature unknown 152 """ Create and return a new object. See help(type) for accurate signature. """ 153 pass 154 155 def __ne__(self, *args, **kwargs): # real signature unknown 156 """ 判断两个列表的值是否不相等 """ 157 """ Return self!=value. """ 158 pass 159 160 def __repr__(self, *args, **kwargs): # real signature unknown 161 """ 转换成解释器可读取的形式 """ 162 """ Return repr(self). """ 163 pass 164 165 def __reversed__(self): # real signature unknown; restored from __doc__ 166 """ 返回反转列表的迭代对象 """ 167 """ L.__reversed__() -- return a reverse iterator over the list """ 168 pass 169 170 def __rmul__(self, *args, **kwargs): # real signature unknown 171 """ 列表的乘法运算 """ 172 """ Return self*value. """ 173 pass 174 175 def __setitem__(self, *args, **kwargs): # real signature unknown 176 """ 给指定的索引处设定值 """ 177 """ Set self[key] to value. """ 178 pass 179 180 def __sizeof__(self): # real signature unknown; restored from __doc__ 181 """ 返回在内存中占用的字节数 """ 182 """ L.__sizeof__() -- size of L in memory, in bytes """ 183 pass 184 185 __hash__ = None
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