剛剛學習python，發現很多基礎理論都能懂，但是要寫點東西，就腦袋一片空白，後面看了網友的文章才慢慢寫出來 ......

原文：http://www.cnblogs.com/pyramid1001/p/5803294.html

 1 #!/usr/bin/env python3
 2 # -*- coding: utf-8 -*-
 3 # __author__ = cjx
 4 import sys
 5 
 6 china_map = {
 7     ‘山東‘: {
 8         ‘青島‘: [‘四方‘, ‘黃島‘, ‘嶗山‘, ‘李滄‘, ‘城陽‘],
 9         ‘濟南‘: [‘歷城
 
‘, ‘槐蔭‘, ‘高新‘, ‘長青‘, ‘章丘‘],
10         ‘煙臺‘: [‘龍口‘, ‘萊山‘, ‘牟平‘, ‘蓬萊‘, ‘招遠‘]
11     },
12     ‘江蘇‘: {
13         ‘蘇州‘: [‘滄浪‘, ‘相城‘, ‘平江‘, ‘吳中‘, ‘昆山‘],
14         ‘南京‘: [‘白下‘, ‘秦淮‘, ‘浦口‘, ‘棲霞‘, ‘江寧‘],
15         ‘無錫‘: [‘崇安‘, ‘南長‘, ‘北塘‘, ‘錫山‘, ‘江陰‘]
16     },
17     ‘浙江‘: {
18         ‘杭州‘: [‘西湖‘, ‘江幹‘, ‘
 
下城‘, ‘上城‘, ‘濱江‘],
19         ‘寧波‘: [‘海曙‘, ‘江東‘, ‘江北‘, ‘鎮海‘, ‘余姚‘],
20         ‘溫州‘: [‘鹿城‘, ‘龍灣‘, ‘樂清‘, ‘瑞安‘, ‘永嘉‘]
21     },
22     ‘安徽‘: {
23         ‘合肥‘: [‘蜀山‘, ‘廬陽‘, ‘包河‘, ‘經開‘, ‘新站‘],
24         ‘蕪湖‘: [‘鏡湖‘, ‘鳩江‘, ‘無為‘, ‘三山‘, ‘南陵‘],
25         ‘蚌埠‘: [‘蚌山‘, ‘龍子湖‘, ‘淮上‘, ‘懷遠‘, ‘固鎮‘]
26     },
27     ‘
 
廣東‘: {
28         ‘深圳‘: [‘羅湖‘, ‘福田‘, ‘南山‘, ‘寶安‘, ‘布吉‘],
29         ‘廣州‘: [‘天河‘, ‘珠海‘, ‘越秀‘, ‘白雲‘, ‘黃埔‘],
30         ‘東莞‘: [‘莞城‘, ‘長安‘, ‘虎門‘, ‘萬江‘, ‘大朗‘]
31     }
32 }
33 
34 province_list = list(china_map.keys())
35 # print(province_list)
36 
37 while True:
38     print(‘ 省 ‘.center(50, ‘*‘))
39     for i,p in enumerate(province_list):
40         print(i+1,p)
41     # break
42     p_id = input(‘請輸入要查看的省名稱編號,退出請輸入 q：‘)
43     if p_id.isdigit():
44         p_id = int(p_id)
45         if p_id > 0 and p_id <= len(province_list):
46             pro_name = province_list[p_id - 1]
47             city_list = list(china_map[pro_name].keys())
48             while True:
49                 print(‘ 市 ‘.center(50, ‘*‘))
50                 for i, c in enumerate(city_list):
51                     print(i+1, c)
52                 c_id = input(‘請輸入你要查看的市名稱編號，返回上一級請輸入 b,退出請輸入 q ：‘)
53                 if c_id.isdigit():
54                     c_id = int(c_id)
55                     if 0 < c_id <= len(city_list):
56                         city_name = city_list[c_id-1]
57                         town_list = china_map[pro_name][city_name]
58                         while True:
59                             print(‘ 縣 ‘.center(50, ‘*‘))
60                             for i,t in enumerate(town_list):
61                                 print(i+1,t)
62                             b_or_q = input(‘已經到最後一層，返回上一級請輸入 b,退出請輸入 q ：‘)
63                             if b_or_q == ‘b‘:
64                                 break
65                             elif b_or_q == ‘q‘:
66                                 exit(0)
67                             else:
68                                 print(‘輸入有誤！‘)
69                     else:
70                         print(‘您輸入的ID %d 不存在！‘ % c_id)
71                 elif c_id == ‘b‘:
72                     break
73                 elif c_id == ‘q‘:
74                     sys.exit(‘正在退出 ......‘)
75                 else:
76                     print(‘無效輸入‘)
77 
78         else:
79             print(‘您輸入的ID %d 不存在！‘ % p_id)
80     elif p_id == ‘q‘:
81         exit()
82     else:
83         print(‘無法識別您的輸入‘)

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