Python's Multilevel menu

Requirements:

1. Level three Menu
2. You can select to go to each submenu in turn

Flowchart Follow-up re-replenishment

The code is as follows:

1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 #Author Jiang4 5menu={6 'Shaanxi':{7     'Xian':['Wild Goose Pagoda','Terracotta Warriors'],8     'Baoji':['Dharma Temple','Yun Taishan'],9     'Hanzhong':['Qingmuchuan','Wuhou Shrine'],Ten }, One 'Shanxi':{ A     'Taiyuan':['Jin Ci','Pure Yang Palace'], -     'Datong':['Hengshan','ISKCON temple'], -     'Linfen':['Hukou Waterfall','Cheonbuldong'], the }, - 'Hunan':{ -     'Changsha':['Yuelu Shan','Orange Chau'], -     'Zhuzhou':['Shen Nong Gu','Emperor Yan Mausoleum'], +     'Hengyang':['Hengshan','Water Curtain Cave'], - }, + } A  atprovince_list=list (Menu.keys ()) -  whileTrue: -      forIndex,keyinchEnumerate (Menu.keys (), 1): -         Print('Province', Index,key) -Pro_id=input ('Please enter the province number, or enter Q to exit:') -     ifpro_id.isdigit (): inPro_id=Int (pro_id) -         ifPro_id>0 andpro_id<=Len (province_list): toPro_name=province_list[pro_id-1] +city_list=list (Menu[pro_name].keys ()) -              whileTrue: the                  forJinchcity_list: *                     Print('City', City_list.index (j) +1, J) $City_id=input ('Please enter the city number, or enter B to return to the parent menu, or enter Q to exit:')Panax Notoginseng                 ifcity_id.isdigit (): -City_id=Int (city_id) the                     ifCity_id>0 andcity_id<=Len (city_list): +City_name=city_list[city_id-1] Aview_list=Menu[pro_name][city_name] the                          whileTrue: +                              forIinchview_list: -                                 Print('Attractions', View_list.index (i) +1, i) $View_id=input ('Please enter the attraction number, or enter B to return to the parent menu, or enter Q to exit:') $                             ifview_id=='b': -                                  Break -                             elifview_id=='Q': the exit () -                             Else:Wuyi                                 Print('Input not qualified') the                     Else: -                         Print('the user%d you entered does not exist'%city_id) Wu                 elifcity_id=='b': -                      Break About                 elifcity_id=='Q': $ exit () -                 Else: -                     Print('Input not qualified') -         Else: A             Print('the user%d you entered does not exist'%pro_id) +     elifpro_id=='Q': the exit () -     Else: $         Print('Input not qualified')

Python's Multilevel menu