movies = [ "hello", "world",["xin","lover",["Jerry","cat"]]]

 print movies

 print "\n"

 for each_1 in movies:

     if isinstance(each_1,list):

         for each_2 in each_1:

             if isinstance(each_2,list):

                 for each_3 in each_2:

                     print(each_3)

             else:

                 print(each_2)

     else:

         print(each_1)

 def print_lol(the_list):

     for each_item in the_list:

         if isinstance(each_item,list):

             print_lol(each_item)

         else:

             print(each_item)

 print "\n"

 print_lol(movies)

 >>> cast = ["hello","world","!!!"]    #创建列表

 >>> print(cast);                    #打印列表 print

 ['hello', 'world', '!!!']

 >>> print(cast[1]);                    #列表类似数组访问

 world

 >>> print(len(cast));                #列表元素个数 len

 3

 >>> cast.append("testadd");            #列表尾添加元素 append

 >>> print(cast)

 ['hello', 'world', '!!!', 'testadd']

 >>> cast.pop()                        #删除列表尾元素 pop

 'testadd'

 >>> print(cast)

 ['hello', 'world', '!!!']

 >>> cast.extend(["ni","hao"])        #添加列表 extend

 >>> print(cast)

 ['hello', 'world', '!!!', 'ni', 'hao']

 >>> cast.remove("!!!")                #删除指定元素 remove

 >>> print(cast)

 ['hello', 'world', 'ni', 'hao']

 >>> cast.insert(0,"test")            #插入指定元素 insert

 >>> print(cast)

 ['test', 'hello', 'world', 'ni', 'hao']