04-python3.5-模拟三级菜单-省-县-区域--01

#!/usr/bin/env python
# -*- coding:utf-8 -*-
#Author:XZ

data = {
    '北京':{
        "昌平":{
            "沙河":["Oldboy","Test"],
            "天通苑":["链家地产","我爱我家"],
            "回龙观":["北郊农场","天鸿集团"],
        },
        "朝阳":{
            "望京":["奔驰","陌陌"],
            "国贸":["CICC","HP"],
            "东直门":["Advent","飞信"],
        },
        "海淀":{
            "西三旗":["清景园","清缘里"],
            "中关村":["清华大学","北京大学"],
            "五棵松":["310医院","名仕医院"],
        },
    },
    '山东':{
        "德州":{},
        "青岛":{},
        "济南":{},
    },
    '广东':{
        "东莞":{},
        "常熟":{},
        "佛山":{},
    },
}
exit_flag = False
while not exit_flag:
    for states in data:
        print(states)
    user_choice_state = input("请输入选择的省份:>>>")
    if user_choice_state in data:
        while not exit_flag:
            for districts in data[user_choice_state]:
                print("	",districts)
            user_choice_district = input("请输入选择的区/县:>>>")
            if user_choice_district in data[user_choice_state]:
                while not exit_flag:
                    for areas in data[user_choice_state][user_choice_district]:
                        print("		",areas)
                    user_choice_area = input("请输入选择的地段:>>>")
                    if user_choice_area in data[user_choice_state][user_choice_district]:
                        for units_list in data[user_choice_state][user_choice_district][user_choice_area]:
                            print("			", units_list)
                        user_choice_return = input("当前已是末端，如需返回请输入b：>>>")
                        if user_choice_return == 'b':
                            pass
                        elif user_choice_return == 'q':
                            exit_flag = True
                    if user_choice_area == 'b':
                        break
                    elif user_choice_area == 'q':
                        exit_flag = True
            if user_choice_district == 'b':
                break
            elif user_choice_district == 'q':
                exit_flag = True