python 切片+增删改查...

__author__ = 'Administrator'import copynames=["zhangsan","lisi","wangwu","wangwu",["wangchuanlu","alex"],"zhaoliu"]'''names2=copy.deepcopy(names)#sliceprint(names[1:3])print(names[-2:])names.append("wangchuanlu")names.insert(1,"ronghua")names.insert(3,"sex")names[2]="xiexie"#names.remove("sex")#del names[3]#names.pop(1)print(names[names.index("xiexie")])print(names.count("wangchuanlu"))#names.clear()#names.reverse()#names.sort()names2=[1,2,3,4,5,6,7,8,9]names.extend(names2)#del names2print(names,names2)#names2=names.copy()print(names)print(names2)names[1]="wangwangwang"names2[2]="wangwng"names[4][1]="fly"print(names)print(names2)'''print(names[::2])for i in names:    print(i)