# 猜年龄：
age = 18
count = 0
 prize_dic = {'1': '布娃娃', '2': '钢铁侠', '3': '奥特曼', '4': '裤子'}
 while count < 3:
     guess = int(input('猜年龄'))
     if guess == 18:
         print('猜对了')
         print(prize_dic)
         for i in range(2):
             choice_prize = input('请选择你的奖品,不需要输入"n"退出')
             if choice_prize != "n":
                 print(f'恭喜你获得奖品：{prize_dic[(choice_prize)]}')
             else:
                 break
         break
     elif guess < age:
         print('猜小了')
     else:
         print('猜大了')
     count += 1
     if count !=3:
         continue
     again_choice = input('是否选择进行玩，y 继续 n 退出')
     if again_choice =='y':
         count = 0

 # 三级菜单

menu = {
    '北京': {
        '海淀': {
            '五道口': {
                'soho': {},
                '网易': {},
                'google': {}
            },
            '中关村': {
                '爱奇艺': {},
                '汽车之家': {},
                'youku': {},
            },
            '上地': {
                '百度': {},
            },
        },
        '昌平': {
            '沙河': {
                '老男孩': {},
                '北航': {},
            },
            '天通苑': {},
            '回龙观': {},
        },
        '朝阳': {},
        '东城': {},
    },
    '上海': {
        '闵行': {
            "人民广场": {
                '炸鸡店': {}
            }
        },
        '闸北': {
            '火车战': {
                '携程': {}
            }
        },
        '浦东': {},
    },
    '山东': {},
}

tag = True
while tag:
    menu1 =menu
    for key in menu1:
        print(key)
    choice1 = input('第一层>>：').strip()
    if choice1 == 'b':
        break
    if choice1 == 'q':
        tag =False
        continue
    if choice1 not in menu1:
        continue
    while tag:
        menu_2 =menu1[choice1]
        for key in menu_2:
            print(key)
        choice2 = input('第二层>>：').strip()

        if choice2 == 'b':
            break
        if choice2 == 'q':
            tag = False
            continue
        if choice2 not in menu_2:
            continue
        while tag:
            menu_3 =menu_2[choice2]
            for key in menu_3:
                print(key)

                choice3 = input('第三层>>：').strip()
                if choice3 == 'b':
                    break
                if choice3 == 'q':
                    tag = False
                    continue
                if choice3  not in menu_3:
                    continue
                while tag:
                    menu_4 = menu_3[choice3]
                    for key in menu_4:
                        print(key)

                    choice4 = input('第四层>>：').strip()
                    if choice4 =='b':
                        break
                    if choice4 == 'q':
                        tag = False
                        continue
                    if choice4 not in menu_4:
                        continue