列表元組內置函數用法list 元組的用法和列表相似就不一一介紹了 1)def append(self, p_object):將值添加到列表的最後 # real signature unknown; restored from __doc__ """ L.append(object) -- appen
列表元組內置函數用法list
元組的用法和列表相似就不一一介紹了
1)def append(self, p_object):將值添加到列表的最後
# real signature unknown; restored from __doc__
""" L.append(object) -- append object to end """
pass
(2)def count(self, value): 值的出現次數
# real signature unknown; restored from __doc__
""" L.count(value) -> integer -- return number of occurrences of value """
return 0
(3)def extend(self, iterable): 擴展列表通過添加元素
# real signature unknown; restored from __doc__
""" L.extend(iterable) -- extend list by appending elements from the iterable """
pass
(4)def index(self, value, start=None, stop=None): 返回第一次出現定義某隻的下標
# real signature unknown; restored from __doc__
"""
L.index(value, [start, [stop]]) -> integer -- return first index of value.
Raises ValueError if the value is not present.
"""
return 0
(5)def insert(self, index, p_object):指定下標插入元素
# real signature unknown; restored from __doc__
""" L.insert(index, object) -- insert object before index """
pass
(6)def pop(self, index=None):刪除並返回指定下標的值,如果沒有指定下標最後一個返回
# real signature unknown; restored from __doc__
"""
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
(7)def remove(self, value): 移除列表中的指定值第一個
# real signature unknown; restored from __doc__
"""
L.remove(value) -- remove first occurrence of value.
Raises ValueError if the value is not present.
"""
pass
(8)def reverse(self): 翻轉
# real signature unknown; restored from __doc__
""" L.reverse() -- reverse *IN PLACE* """
pass
(9)def sort(self, cmp=None, key=None, reverse=False):比較大小
數字按照大小比較
中文按照unicode比較
# real signature unknown; restored from __doc__
"""
L.sort(cmp=None, key=None, reverse=False) -- stable sort *IN PLACE*;
cmp(x, y) -> -1, 0, 1
"""
pass
(10)def __add__(self, y): 加
# real signature unknown; restored from __doc__
""" x.__add__(y) <==> x+y """
pass
(11)def __contains__(self, y):包含
# real signature unknown; restored from __doc__
""" x.__contains__(y) <==> y in x """
pass
(12)def __delitem__(self, y): 刪除單個序列元素
# real signature unknown; restored from __doc__
""" x.__delitem__(y) <==> del x[y] """
pass
(13)def __delslice__(self, i, j): 刪除序列片斷
# real signature unknown; restored from __doc__
"""
x.__delslice__(i, j) <==> del x[i:j]
Use of negative indices is not supported.
"""
pass
(14)def __eq__(self, y): 等於
# real signature unknown; restored from __doc__
""" x.__eq__(y) <==> x==y """
pass
(15)def __getattribute__(self, name): 取屬性;內建 getattr();總是被調用
# real signature unknown; restored from __doc__
""" x.__getattribute__('name') <==> x.name """
pass
(16)def __getitem__(self, y): 得到單個序列元素
# real signature unknown; restored from __doc__
""" x.__getitem__(y) <==> x[y] """
pass
(17)def __getslice__(self, i, j): 得到序列片斷
# real signature unknown; restored from __doc__
"""
x.__getslice__(i, j) <==> x[i:j]
Use of negative indices is not supported.
"""
pass
(18)def __ge__(self, y):大於等於
# real signature unknown; restored from __doc__
""" x.__ge__(y) <==> x>=y """
pass
(19)def __gt__(self, y):大於
# real signature unknown; restored from __doc__
""" x.__gt__(y) <==> x>y """
pass
(20)def __iadd__(self, y):
# real signature unknown; restored from __doc__
""" x.__iadd__(y) <==> x+=y """
pass
(21)def __imul__(self, y):
# real signature unknown; restored from __doc__
""" x.__imul__(y) <==> x*=y """
pass
(22)def __init__(self, seq=()): _init__方法在類的一個對象被建立時,馬上運行
# known special case of list.__init__
"""
list() -> new empty list
list(iterable) -> new list initialized from iterable's items
# (copied from class doc)
"""
pass
(23)def __iter__(self): 創建迭代類;內建 iter()
# real signature unknown; restored from __doc__
""" x.__iter__() <==> iter(x) """
pass
(24)def __len__(self): 序列中項的數目長度
# real signature unknown; restored from __doc__
""" x.__len__() <==> len(x) """
pass
(25)def __le__(self, y):小於等於
# real signature unknown; restored from __doc__
""" x.__le__(y) <==> x<=y """
pass
(26)def __lt__(self, y):小於
# real signature unknown; restored from __doc__
""" x.__lt__(y) <==> x<y """
pass
(27)def __mul__(self, n): 重覆;*操作符相乘
# real signature unknown; restored from __doc__
""" x.__mul__(n) <==> x*n """
pass
@staticmethod # known case of __new__
(28)def __new__(S, *more) 構造器(帶一些可選的參數) ;通常用在設置不變數據類型的子類。
: # real signature unknown; restored from __doc__
""" T.__new__(S, ...) -> a new object with type S, a subtype of T """
pass
(29)def __ne__(self, y):不等於
# real signature unknown; restored from __doc__
""" x.__ne__(y) <==> x!=y """
pass
(30)def __repr__(self): 對機器友好
real signature unknown; restored from __doc__
""" x.__repr__() <==> repr(x) """
pass
(31)def __reversed__(self): 接受一個序列作為參數,返回一個以逆序訪問的迭代器(PEP 322)
# real signature unknown; restored from __doc__
""" L.__reversed__() -- return a reverse iterator over the list """
pass
(32)def __rmul__(self, n): 反向相乘
# real signature unknown; restored from __doc__
""" x.__rmul__(n) <==> n*x """
pass
(33)def __setitem__(self, i, y): 設置單個序列元素
# real signature unknown; restored from __doc__
""" x.__setitem__(i, y) <==> x[i]=y """
pass
(34)def __setslice__(self, i, j, y): 設置序列片斷
# real signature unknown; restored from __doc__
"""
x.__setslice__(i, j, y) <==> x[i:j]=y
Use of negative indices is not supported.
"""
pass
(35)def __sizeof__(self): 查看占用記憶體的函數
# real signature unknown; restored from __doc__
""" L.__sizeof__() -- size of L in memory, in bytes """
pass
__hash__ = None