Python learning-three-level menu provinces and cities selection

User interaction, showing the choice of three-level linkage between provinces and counties
Requirement: User input Hebei, then print the city saved by Hebei, the user input city, then show the county of this city in Hebei province

1DIC = {2     "Hebei": {3         "Shijiazhuang": ["Luquan","Gaocheng","Yuanshi"],4         "Handan": ["Yongnian","She County","ci"],5     },6     "Henan": {7         ...8     },9     "Shanxi": {Ten         ... One }, A } -  whileTrue: -      forIinchDIC: the         Print(i) -Shengcheng = input ('Please enter the province [Q exit]:'). Strip () -     ifShengcheng = ='Q': - exit () +     elifShengchenginchDIC: -          whileTrue: +              forI2inchDic[shengcheng]: A                 Print(I2) atShixian = input ('Please enter the city [Q return to the previous layer]:'). Strip () -             ifShixianinchDic[shengcheng]: -                  whileTrue: -                      fori3inchDic[shengcheng][shixian]: -                         Print(i3) -FH = input ('That's all, enter Q to return to the previous layer:') in                     ifFH = ='Q': -                          Break to                     Else: +                             Print('Please re-enter! ') -             elifShixian = ='Q': the                  Break *             Else: $                 Print('Please re-enter! ')Panax Notoginseng     Else: -         Print('Please re-enter! ')

Level Three menu

Python learning-three-level menu provinces and cities selection