Python__用户交互，显示省市县三级联动的选择

用户交互，显示省市县三级联动的选择

用户交互，显示省市县三级联动的选择
要求：用户输入河北，则打印河北省下的市，用户输入市，则显示该河北省的这个市下的县
dic = {
    "河北": {
        "石家庄": ["鹿泉", "藁城", "元氏"],
        "邯郸": ["永年", "涉县", "磁县"],
    }
    "河南": {
        ...
    }
    "山西": {
        ...
    }

 1 dic = {
 2     "河北": {
 3         "石家庄": ["鹿泉", "藁城", "元氏"],
 4         "邯郸": ["永年", "涉县", "磁县"],
 5     },
 6     "河南": {
 7         ...
 8     },
 9     "山西": {
10         ...
11     }
12 }
13 while True:
14     province = input('请输入你想要知道的省份,输入Qt时退出： ').strip()
15     if province not in dic:
16         print('输入不合法，请重新输入')
17         continue
18     elif len(province) == 0:
19         print('输错了，傻！')
20         continue
21     else:
22         for city in dic.get(province):
23             print(city)
24         your_choose = input('请输入你想要知道的市： ').strip()
25         print(dic.get(province).get(your_choose))

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