Python之七级字典查询

  1 # -*- coding:utf-8 -*-
  2 
  3 
  4 # 作业要求：
  5 # 打印直辖市，省，市，县，区，街道五级菜单；
  6 # 可以一层一层地进入到所有层
  7 # 可以退出到上一层
  8 # 可随时退出程序
  9 
 10 
 11 mapChina = {
 12     "中华人民共和国": {
 13         "北京": {
 14             "市区": {
 15                 "东城区": {},
 16                 "西城区": {},
 17                 "朝阳区": {},
 18                 "海淀区": {},
 19                 "石景山区": {},
 20                 "丰台区": {},
 21             },
 22             "远郊区": {
 23                 "顺义区": {},
 24                 "怀柔区": {},
 25                 "密云区": {},
 26                 "延庆县": {},
 27                 "昌平区": {},
 28                 "平谷区": {},
 29                 "门头沟区": {},
 30                 "房山区": {},
 31                 "通州区": {},
 32             },
 33         },
 34         "湖南": {
 35             "长沙市": {
 36                 "望城县": {},
 37                 "宁乡县": {},
 38                 "浏阳县级市": {},
 39                 "长沙县": {
 40                     "福临镇": {},
 41                     "白沙乡": {},
 42                     "高桥镇": {},
 43                     "黄花镇": {},
 44                     "暮云镇": {},
 45                     "跳马镇": {},
 46                     "果园镇": {},
 47                     "黄花镇": {
 48                         "泉塘安置小区": {
 49                             "中联重科": {
 50                                 "思想构筑未来": "志存无息，博厚悠远",
 51                             },
 52                             "很多学校": {
 53                                 "各种学校": "各种湖南小吃",
 54                             },
 55                         },
 56                         "黄花机场": {},
 57                         "湖南农业大学": {},
 58                         "徐特立公园": {},
 59 
 60 
 61                     },
 62                 },
 63             },
 64             "株洲市": {
 65                 "攸县": {},
 66                 "茶陵": {},
 67                 "炎陵": {},
 68                 "醴陵": {},
 69             },
 70             "湘潭市": {},
 71             "衡阳市": {},
 72             "邵阳市": {},
 73             "岳阳市": {},
 74             "常德市": {},
 75             "张家界市": {},
 76             "益阳市": {},
 77             "郴州市": {},
 78             "永州市": {},
 79             "娄底市": {},
 80             "怀化市": {},
 81             "湘西少数民族自治区": {},
 82         },
 83         "重庆": {},
 84         "四川": {},
 85         "江西": {},
 86         "陕西": {},
 87         "福建": {},
 88         "上海": {},
 89         "浙江": {},
 90         "其他省市自治区直辖市": {},
 91     }
 92 }
 93 
 94 # print(type(mapChina["中华人民共和国"]))
 95 # print(mapChina["中华人民共和国"]["湖南"])
 96 # print(mapChina["中华人民共和国"]["湖南"]["长沙市"]["长沙县"]["黄花镇"]["泉塘安置小区"]['中联重科'])
 97 
 98 
 99 choose_list = []
100 mapChina_new = mapChina
101 
102 print("输入‘b’键返回上一层，输入‘q’键退出到初始界面，输入‘qq’直接退出程序。")
103 print(mapChina.keys())
104 
105 
106 while True:
107 
108     choose = input("请输入需要访问的区域名称： ")
109     if choose == 'qq':
110         break
111     elif choose == 'q':
112         mapChina_new = mapChina
113         continue
114     elif choose == "b":
115         if mapChina_new == mapChina:
116             continue
117         else:
118             mapChina_new = choose_list.pop()
119             for key1 in mapChina_new.keys():
120                 print(key1)
121     elif choose in mapChina_new.keys():
122         choose_list.append(mapChina_new)
123         mapChina_new = mapChina_new[choose]
124         for key in mapChina_new.keys():
125             print(key)
126     elif not mapChina_new.values():
127         print("这是最后一层了，请输入‘b’键返回")
128         continue
129     else:
130         print("Invalid Input.Try Again!")
Python之 七级字典查询

Python之七级字典查询
