PYTHON2.14 列表

li=[1,2,3,4,4,5,5,5,‘sadf,‘,‘2323‘]li.append(‘df‘)print(‘append: ‘,li)#结果：append:  [1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, ‘df‘]li.clear()print(‘clear:‘,li)#结果：clear: []

li=[1,2,3,4,4,5,5,5,‘sadf,‘,‘2323‘]li2=li.copy()print("copy:",li2)#结果：copy: [1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘]i=li.count("sadf,")print(‘count:‘,i)#结果：1

li.extend([11,22,])#对原来列表的扩展print(‘extend:‘,li)#结果extend: [1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, 11, 22]li.extend((44,55,))#元组也行print(‘extend‘,li)#结果extend [1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, 11, 22, 44, 55]#index（）#insert() 向往哪方就往哪放li.insert(0,‘gaoyuan‘)print(‘insert:‘,li)#结果insert: [‘gaoyuan‘, 1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, 11, 22, 44, 55]li.pop()print(‘pop:‘,li)#结果pop: [‘gaoyuan‘, 1, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, 11, 22, 44]res=li.pop()print(‘pop的返回值‘,res)#结果pop的返回值 44ret=li.pop(1)print(‘pop删除的位置‘,li)#结果pop删除的位置 [‘gaoyuan‘, 2, 3, 4, 4, 5, 5, 5, ‘sadf,‘, ‘2323‘, 11, 22]print(‘pop删除位置的值：‘,ret)#结果pop删除位置的值： 1

li3=[11,11,22,2,333,2]print(li3)#结果[11, 11, 22, 2, 333, 2]li3.remove(11)#去掉第一个“11”print(‘remove:‘,li3)#结果remove: [11, 22, 2, 333, 2]

li3.reverse()print(‘revers:‘,li3)#结果revers: [2, 333, 2, 22, 11]

li3.sort()#排序print(‘sort：‘,li3)#结果：sort： [2, 2, 11, 22, 333]