Python---Level three menu

Level three menu, compare low level, subsequent learning function call

1 #-*-coding:utf-8-*-2 #LC3data = {4     "Zhejiang province":{5         "Hangzhou City":{6             "West L. District":["West Lake","Huanglong"],7             "Yuhang":["Xixi Silver Thai","Busy Lake"],8             "Bingjiang District":["Avenue of Fame","Garbage Street"]9         },Ten         "Wenzhou":{ One             "Ouhai":["Wenzhou University","Cha Shan"], A             "Cangnan":["Jinxiang","Ling Xi"] -         }, -         "Taizhou":{ the             "Luqiao":["Seafood","Sprayer"], -             "Wenling":["Takayama","Green leaves"] -         } -     }, +     "Guangdong province":{ -         "Guangzhou" +     } A } at  -Exit_flag =True -  -  whileExit_flag: -      forIinchData: -         Print(i) inChoice = input ("Please select 1>>>:")#Select Province -     ifChoiceinchData: to          whileExit_flag: +              forJinchData[choice]: -                 Print(j) theChoice2 = input ("Please select 2, return to the previous level please press B, exit please press Q>>>:")#Select City *             ifChoice2inchData[choice]: $                  whileExit_flag:Panax Notoginseng                      forKinchData[choice][choice2]: -                         Print(k) theChoice3 = input ("Please select 3, return to the previous level please press B, exit please press Q>>>:")#Selection Area +                     ifChoice3inchData[choice][choice2]: A                          forLinchData[choice][choice2][choice3]: the                             Print(L) +Choice4 = input ("last layer, go back to the previous level, press B, exit please press Q>>>:") -                         ifChoice4 = ="b": $                              Break $                         elifChoice4 = ="Q": -Exit_flag =False -                     elifChoice3 = ="b":#If you choose to return, this cycle is interrupted the                          Break -                     elifChoice3 = ="Q":#If you choose to exit, change the loop value to False, end all loops, exitWuyiExit_flag =False the                     Else: -                         Print("wrong choice, re-enter! ") Wu                         Continue -             elifChoice2 = ="b": About                  Break $             elifChoice2 = ="Q": -Exit_flag =False -             Else: -                 Print("wrong choice, re-enter! ") A                 Continue

Python---Level three menu