Python Road day2 Three-level menu of the dictionary exercises

1 #Author:ersa2 " "3 Program: Level three menu4 Requirements:5 print provincial, city, and county level three menus6 can return to the upper level7 can exit the program at any time8 " "9menu = {Ten     'Beijing':{ One         'Haidian':{ A             'Five crossing':{ -                 'Soho':{}, -                 'NetEase':{}, the                 'Google':{} -             }, -             'Zhongguancun':{ -                 'Iqiyi Art':{}, +                 'Autohome':{}, -                 'Youku':{}, +             }, A             'on the ground':{ at                 'Baidu':{}, -             }, -         }, -         'changping':{ -             'Shahe':{ -                 'old boy':{}, in                 'Beihang University':{}, -             }, to             'Tin Tong Court':{}, +             'Huilongguan':{}, -         }, the         'Chaoyang':{}, *         'Dongcheng':{}, $     },Panax Notoginseng     'Shanghai':{ -         'Minhang':{ the             "People's square":{ +                 'Fried Chicken Shop':{} A             } the         }, +         'Zhabei':{ -             'Train Warfare':{ $                 'Ctrip':{} $             } -         }, -         'Pudong':{}, the     } - }Wuyi  theIs_continue =True -  whileis_continue: Wu          forIinchMenu: -             Print(i) AboutChoice = input ("\ t chooses to go to the subordinate menu 1>>>:") $  -         ifChoiceinchMenu: -              whileis_continue: -                  forI2inchMenu[choice]: A                     Print("\ t", I2) +Choice2 = input ("\t\t choose to go to sub-menu 2>>>:") the                 ifChoice2inchMenu[choice]: -                      whileis_continue: $                          fori3inchMenu[choice][choice2]: the                             Print("\t\t", i3) theChoice3 = input ("\t\t\t choose to go to sub-menu 3>>>:") the                         ifChoice3inchMenu[choice][choice2]: the                              whileis_continue: -                                  forI4inchMenu[choice][choice2][choice3]: in                                     Print("\t\t\t", I4) theChoice4 = input ("\t\t\t return to Superior: B exit: Q>>>:") the                                 ifChoice4 = ="b": About                                      Break the                                 elifChoice4 = ="Q": theIs_continue =False the                         ifChoice3 = ="b": +                              Break -                         elifChoice3 = ="Q": theIs_continue =FalseBayi                 elifChoice2 = ="b": the                      Break the                 elifChoice2 = ="Q": -Is_continue =False -         elifChoice = ='b': the              Break the         elifChoice = ="Q": theIs_continue = False

Python Road day2 Three-level menu of the dictionary exercises