嵌套列表的格式打印

names = ['A','B','C',['D','E'],['F']]
def print_lol(the_list,indent=False,level=0):　　#
    for each_item in the_list:
        if isinstance(each_item,list):
            print_lol(each_item,indent,level+1)
        else:
            if indent:
                for tab_top in range(level):
                    print("	",end='')
            print(each_item)

print_lol(names,True,4)　　#首行缩进4格输出

				A
				B
				C
					D
					E
					F

print_lol(names,True)　

A
B
C
	D
	E
	F

print_lol(names)

A
B
C
D
E
F