一.基本数据类型
整数：int
字符串：str(注：\t等于一个tab键)
布尔值： bool
列表：list （元素的集合）
列表用[]
元祖：tuple
元祖用（）
字典：dict
注：所有的数据类型都存在想对应的类列里
二.列表所有数据类型：
基本操作：
•索引
•切片
•追加
•删除
•长度
•切片
•循环
•包含
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listclass 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__ """ L.append(object) -> None -- append object to end """ (L.append(对象)- >——没有一个对象附加到结束) pass def clear(self): # real signature unknown; restored from __doc__ """ L.clear() -> None -- remove all items from L """ (L.clear()- >没有,把所有项目从L) pass def copy(self): # real signature unknown; restored from __doc__ """ L.copy() -> list -- a shallow copy of L """ (L.copy()- >列表- L的浅拷贝) return [] def count(self, value): # real signature unknown; restored from __doc__ """ L.count(value) -> integer -- return number of occurrences of value """ (L.count(价值)- >整数,返回值的出现次数) return 0 def extend(self, iterable): # real signature unknown; restored from __doc__ """ L.extend(iterable) -> None -- extend list by appending elements from the iterable """ (L.extend(iterable)- >没有——从iterable扩展列表通过添加元) pass def index(self, value, start=None, stop=None): # 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. (l指数(价值,[开始,[不要]])- >整数,返回第一索引值。提出了ValueError如果不存在的价值。) """ return 0 def insert(self, index, p_object): # real signature unknown; restored from __doc__ """ L.insert(index, object) -- insert object before index """ (l插入(指数(对象)——前插入对象索引) pass def pop(self, index=None): # 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. (L.pop((指数))- >项目——删除并返回项指数(默认)。提出了IndexError如果列表为空或索引的范围。) """ pass def remove(self, value): # real signature unknown; restored from __doc__ """ L.remove(value) -> None -- remove first occurrence of value. Raises ValueError if the value is not present. """ (L.remove(价值)- >没有,删除第一次出现的值。提出了ValueError如果不存在的价值。) pass def reverse(self): # real signature unknown; restored from __doc__ """ L.reverse() -- reverse *IN PLACE* """ pass def sort(self, key=None, reverse=False): # real signature unknown; restored from __doc__ """ L.sort(key=None, reverse=False) -> None -- stable sort *IN PLACE* """ pass def __add__(self, *args, **kwargs): # real signature unknown """ Return self+value. """ pass def __contains__(self, *args, **kwargs): # real signature unknown """ Return key in self. """ pass def __delitem__(self, *args, **kwargs): # real signature unknown """ Delete self[key]. """ pass def __eq__(self, *args, **kwargs): # real signature unknown """ Return self==value. """ pass def __getattribute__(self, *args, **kwargs): # real signature unknown """ Return getattr(self, name). """ pass def __getitem__(self, y): # real signature unknown; restored from __doc__ """ x.__getitem__(y) <==> x[y] """ pass def __ge__(self, *args, **kwargs): # real signature unknown """ Return self>=value. """ pass def __gt__(self, *args, **kwargs): # real signature unknown """ Return self>value. """ pass def __iadd__(self, *args, **kwargs): # real signature unknown """ Implement self+=value. """ pass def __imul__(self, *args, **kwargs): # real signature unknown """ Implement self*=value. """ 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, *args, **kwargs): # real signature unknown """ Implement iter(self). """ pass def __len__(self, *args, **kwargs): # real signature unknown """ Return len(self). """ pass def __le__(self, *args, **kwargs): # real signature unknown """ Return self<=value. """ pass def __lt__(self, *args, **kwargs): # real signature unknown """ Return self<value. """ pass def __mul__(self, *args, **kwargs): # real signature unknown """ Return self*value.n """ pass @staticmethod # known case of __new__ def __new__(*args, **kwargs): # real signature unknown """ Create and return a new object. See help(type) for accurate signature. """ pass def __ne__(self, *args, **kwargs): # real signature unknown """ Return self!=value. """ pass def __repr__(self, *args, **kwargs): # real signature unknown """ Return repr(self). """ pass def __reversed__(self): # real signature unknown; restored from __doc__ """ L.__reversed__() -- return a reverse iterator over the list """ pass def __rmul__(self, *args, **kwargs): # real signature unknown """ Return self*value. """ pass def __setitem__(self, *args, **kwargs): # real signature unknown """ Set self[key] to value. """ pass def __sizeof__(self): # real signature unknown; restored from __doc__ """ L.__sizeof__() -- size of L in memory, in bytes """ pass __hash__ = None |
三.所有列表数据类型举例
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#!/usr/bin/env python# -*- coding:utf-8 -*- #append追加name_list = ["zhangyanlin","suoning","nick"]name_list.append('zhang')print(name_list) #count制定字符出现几次name_list = ["zhangyanlin","suoning","nick"]name_list.append('zhang')name_list.append('zhang')name_list.append('zhang')print(name_list.count('zhang')) #extend可扩展，批量往里加数据name_list = ["zhangyanlin","suoning","nick"]name = ["aylin","zhang","yan","lin"]name_list.extend(name)print(name_list) #index找到字符所在的位置name_list = ["zhangyanlin","suoning","nick"]print(name_list.index('nick')) #insert插入，往索引里面插入值name_list = ["zhangyanlin","suoning","nick"]name_list.insert(1,"zhang")print(name_list) #pop在原列表中移除掉最后一个元素，并赋值给另一个变量name_list = ["zhangyanlin","suoning","nick"]name = name_list.pop()print(name) #remove移除,只移除从左边找到的第一个name_list = ["zhangyanlin","suoning","nick"]name_list.remove('nick')print(name_list) #reverse反转name_list = ["zhangyanlin","suoning","nick"]name_list.reverse()print(name_list) #del删除其中元素,删除1到3之间的name_list = ["zhangyanlin","suoning","nick"]del name_list[1:3]print(name_list) |
四.索引
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name_list = ["zhangyanlin","suoning""aylin""nick"]print(name_list[0]) |
五.切片
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name_list = ["zhangyanlin","suoning""aylin""nick"]print(name_list[0:2]) |
六.总长度len
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name_list = ["zhangyanlin","suoning""aylin""nick"]print(name_list[1:len(name_list)]) |
七.for循环
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name_list = ["zhangyanlin","suoning""aylin""nick"]for i in name_list: print(i) |
以上就是小编为大家带来的深入了解Python数据类型之列表全部内容了，希望大家多多支持服务器之家~
