Go Python Dictionary implementation level three menu

Python Dictionary implementation level three menu

Original: https://www.cnblogs.com/pyramid1001/p/5803294.html

 1 ################################################ 2 # Task Name: Level Three menu # 3 # Description: Print province, city, County level Three Menu # 4 # can return to the previous level # 5 # can quit the program at any time # 6 #------ ----------------------------------------# 7 # author:oliver Lee # 8 ############################ #################### 9 zone = {11 ' shandong ': {12 ' qingdao ': [' Quartet ', ' Huangdao ', ' Laoshan ', ' Lichang ', ' Chengyang '],13 ' Jinan ': [' Licheng ', ' Huaiyin ' , ' high-tech ', ' Evergreen ', ' Zhangqiu '],14 ' Yantai ': [' Longkou ', ' Laishan ', ' muping ', ' Penglai ', ' Zhaoyuan ']15},16 ' Jiangsu ': {17 ' Suzhou ': [' Canglang ', ' Xiangcheng ', ' Pingjiang ', ' Wuzhong ', ' Kunshan '],18 ' nanjing ': [' baixia ', ' Qinhuai ', ' Pukou ', ' qixia ', ' Jiangning '],19 ' Wuxi ': [' Chongan ', ' Nanchang ', ' Beitang ', ' Xishan ', ' Jiangyin ']20},21 ' Zhejiang ': {2 2 ' Hangzhou ': [' West Lake ', ' Jianggan ', ' Downtown ', ' Uptown ', ' Binjiang '],23 ' ningbo ': [' Haishu ', ' jiangdong ', ' Jiangbei ', ' Zhenhai ', ' Yuyao '],24 ' Wenzhou ': [' Lucheng ', ' Longwan ', ' Leqing ' , ' Ruian ', ' Yongjia ']25},26 ' Anhui ': {27 ' Hefei ': [' Shushan ', ' Luyang ', ' Baohe ', ' open ', ' new station '],28 ' Wuhu ': [' Lake Lake ', ' Jiujiang ', ' inaction ', ' Sanshan ', ' nanling ' '],29 ' Bengbu ': [' clamMountain ', ' Dragon Lake ', ' Huai ', ' Huaiyuan ', ' Guzhen ']30},31 ' Guangdong ': {32 ' Shenzhen ': [' Luohu ', ' Futian ', ' Nanshan ', ' Baoan ', ' Phuket '],33 ' Guangzhou ': [' Tianhe ', ' Zhuhai ', ' Yuexiu ', ' Baiyun ', ' Huangpu '],34 ' Dongguan ': [' Guancheng ', ' Changan ', ' humen ', ' Wanjiang ', ' Big Lang ']35}36}37 province_list = List (Zone.keys ()) #         Province List # flag = False39 # Flag1 = False40 while true:41 print ("Province". Center ("* ')"). Print (Province_list.index (i) +1,i) #打印省列表44 pro_id = input ("Please enter the province number, or enter Q (quit) exit:") #省ID45 if pro_id.is Digit (): pro_id = Int (pro_id) if pro_id > 0 and pro_id <= len (province_list): Pro_ Name = Province_list[pro_id-1] #根据省ID获取省名称49 city_list = List (Zone[pro_name].keys ()) #根据省名称获取对应的值, from the new dictionary                      Get key, which is the city list, while true:51 print ("City". Center (+, ' * ')) for the V in city_list:53 Print (City_list.index (v) +1,v) #打印市列表54 city_id = input ("Please enter the city number, or enter B (back) to return to the parent menu      , or enter Q (quit) to exit: ") 55           If City_id.isdigit (): city_id = Int (city_id) if city_id > 0 and                         city_id <= Len (city_list): City_name = city_list[city_id-1] #根据市ID获取市名称59                             Town_list = Zone[pro_name][city_name] #根据省名称获取对应的值, gets the value from the new dictionary, which is the county list while true:61                                 Print ("county"). Center ((s), ' * ') "for J in town_list:63 Print (Town_list.index (j) +1,j) Back_or_quit = input ("Input B (back) returns to the parent menu, or input Q (quit) exits: ") If back_or_quit = = ' B ': Break #终止此层while Loop, jumps to the previous layer while.                                elif Back_or_quit = = ' Q ': Flag1 = True69 # break #根据标志位结束程序.   + exit () else:72                              Print ("Input illegal! ") else:74 print (" Number%d does not exist.)                     "%city_id" elif city_id = = ' B ': break77 elif city_id = = ' Q ': 78                     # flag = True79 # break80 exit () Bayi else:82 Print ("Input illegal!") If flag1:84 # break85 else:86 print ("Number%d does not exist. "%pro_id" elif pro_id = = ' Q ': break89 else:90 print ("Input illegal!") # if flag or flag1:92 # break

Go Python Dictionary implementation level three menu