Python 3.3.4 (v3.3.4:7ff62415e426, Feb 10 2014, 18:13:51) [MSC v.1600 64 bit (AMD64)] on win32 Type "copyright", "credits" or "license()" for more information. >>> cast=["cleese","palin","jones","idle"] >>> print(cast) ['cleese', 'palin', 'jones', 'idle'] >>> print(len(cast))#显示数据项数量 4 >>> print(cast[1])#显示列表中第2个数据项的值 palin >>> cast.append("gilliam")#在列表末尾添加一个数据项 >>> print(cast) ['cleese', 'palin', 'jones', 'idle', 'gilliam'] >>> cast.pop()#删除列表末尾的数据项 'gilliam' >>> print(cast) ['cleese', 'palin', 'jones', 'idle'] >>> cast.extend(["gilliam","chapman"])#在列表末尾增加一个数据项集合 >>> print(cast) ['cleese', 'palin', 'jones', 'idle', 'gilliam', 'chapman'] >>> cast.remove("chapman")#删除指定的数据项 >>> print(cast) ['cleese', 'palin', 'jones', 'idle', 'gilliam'] >>> cast.insert(0,"chapman")#在指定的位置增加数据项 >>> print(cast) ['chapman', 'cleese', 'palin', 'jones', 'idle', 'gilliam'] >>>

movies=["the holy grail",1975,"terry jone & terry gilliam",91,        ["graham chapman",        ["michael palin","john cleese","terry gilliam",             "eric idle","terry jones"]]] def print_lol(the_list):#定义一种函数         for each_item in the_list:#for in循环迭代处理列表，从列表起始位置到末尾         if isinstance(each_item,list):#isinstance()检测each_item里每一项                                               #是不是list类型             print_lol(each_item)#如果是，调用函数print_lol         else:print(each_item)#如果不是，输出这一项 print_lol(movies)#在movies列表中调用函数 """ 之前if else语句不对齐导致报错 """