python3 三级菜单-基础版

发布时间：2019-09-26 07:27:17编辑：auto阅读（1696）

    -- coding:utf-8 --

    data = {
    "北京":{
    "东城区":{
    "安定门":["国子监","孔庙","钟楼"],
    "建国门":["金宝街","长安街","西街"],
    "朝阳门":["东四","新街口","孚王府"],
    },
    "朝阳区":{
    "和平街":["顾家庄","樱花社区","东街"],
    "八里屯":["慈寿寺","定慧寺","前门"],
    "三里屯":["夜店","工体","后海酒吧"],
    },
    "海淀":{
    "中关村":["海龙","鼎好","科贸"],
    "五道口":["清华","北大","人大"],
    "航天桥":["公主坟","古城","长安街"],
    },
    }
    }

    exit_flag =False

    while not exit_flag:
    for i in data:
    print(i)

    choice = input("选择1")
if choice in data:
    while not exit_flag:
        for i2 in  data[choice]:
            print("\t",i2)
        choice2 = input("选择2")
        if choice2 in data[choice]:
            while not exit_flag:
                for i3 in data[choice][choice2]:
                    print("\t\t",i3)
                choice3 = input("选择3")
                if choice3 in data[choice][choice2]:
                    for i4 in data[choice][choice2][choice3]:
                        print("\t\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

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