python三级菜单例题
Posted
tags:
篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了python三级菜单例题相关的知识,希望对你有一定的参考价值。
打印省、市、县三级菜单
可返回上一级
可随时退出程序
__author__ = "Alex Li" data = { ‘北京‘:{ "昌平":{ "沙河":["oldboy","test"], "天通苑":["链家地产","我爱我家"] }, "朝阳":{ "望京":["奔驰","陌陌"], "国贸":{"CICC","HP"}, "东直门":{"Advent","飞信"}, }, "海淀":{}, }, ‘山东‘:{ "德州":{}, "青岛":{}, "济南":{} }, ‘广东‘:{ "东莞":{}, "常熟":{}, "佛山":{}, }, } exit_flag = False while not exit_flag: for i in data: print(i) choice = input("选择进入1>>:") if choice in data: while not exit_flag: for i2 in data[choice]: print("\t",i2) choice2 = input("选择进入2>>:") if choice2 in data[choice]: while not exit_flag: for i3 in data[choice][choice2]: print("\t\t", i3) choice3 = input("选择进入3>>:") if choice3 in data[choice][choice2]: for i4 in data[choice][choice2][choice3]: print("\t\t",i4) choice4 = input("最后一层,按b返回>>:") if choice4 == "b": pass elif choice4 == "q": exit_flag = True if choice3 == "b": break elif choice3 == "q": exit_flag = True if choice2 == "b": break elif choice2 == "q": exit_flag = True
以上是关于python三级菜单例题的主要内容,如果未能解决你的问题,请参考以下文章