python-Implementation of Level 3 menu (homework lesson)

1 #Task:2 #Show Level 3 menu3 #Level 1 Menu # shows 3 cities + 1 Beijing 2 Shanghai 3 Guangzhou4 #Level 2 Menu #显示 Select 1 Beijing = B1 B2 B35 #Level 2 Menu #显示 select 2 Shanghai = S1 S2 S36 #Level 2 Menu #显示 Select 3 Guangzhou = G1 G2 G37 8 #Level 3 Menu #显示 Choose B1 = b1_1 b1_2 b1_39 #Level 3 Menu #显示 Choose B2 = B2_1 b2_2 b2_3Ten #Level 3 Menu #显示 Choose B3 = B3_1 b3_2 b3_3 One  A #Level 3 Menu #显示 Choose S1 = s1_1 s1_2 s1_3 - #Level 3 Menu #显示 Choose S2 = S2_1 s2_2 s2_3 - #Level 3 Menu #显示 Choose S3 = S3_1 s3_2 s3_3 the  - #Level 3 Menu #显示 Choose G1 = g1_1 g1_2 g1_3 - #Level 3 Menu #显示 Choose G2 = G2_1 g2_2 g2_3 - #Level 3 Menu #显示 Choose G3 = G3_1 g3_2 g3_3 +  - #Select the Q key to exit the program and select the R key to return to the previous level menu +  Acurpage = 0;#Current Page atminPage = 0;#Minimum pages -MaxPage = 3;#Max pages -Showval ="1. BEIJING 2. Shanghai 3. Guangzhou R. prev Q. Exit" -Selectval ="Beijing" -  -  whileTrue: in     Print("-----------------------------------") -     Print("|"+showval+"|")#Show specific content to     Print("-----------------------------------") +Userval = input ("input your Select:")#user-entered values -  the     ifUserval = ="Q" orUserval = ="Q": *          Break $      Panax Notoginseng     ifUserval = ="1": -         ifCurpage = =0: theSelectval ="Beijing" +Showval ="1.b1 2.b2 3.b3 R. prev Q. Exit" ACurpage + = 1; the         elifCurpage = = 1: +             ifSelectval = ="Beijing": -Showval ="b1_1 b1_2 b1_3" $             elifSelectval = ="Shanghai": $Showval ="s1_1 s1_2 s1_3" -             elifSelectval = ="Guangzhou": -Showval ="g1_1 g1_2 g1_3" theCurpage + = 1; -     elifUserval = ="2":Wuyi         ifCurpage = =0: theSelectval ="Shanghai" -Showval ="1.s1 2.s2 3.s3 R. prev Q. Exit" WuCurpage + = 1; -         elifCurpage = = 1: About             ifSelectval = ="Beijing": $Showval ="b2_1 b2_2 b2_3" -             elifSelectval = ="Shanghai": -Showval ="s2_1 s2_2 s2_3" -             elifSelectval = ="Guangzhou": AShowval ="g2_1 g2_2 g2_3" +Curpage + = 1; the     elifUserval = ="3": -         ifCurpage = =0: $Selectval ="Guangzhou" theShowval ="1.g1 2.g2 3.g3 R. prev Q. Exit" theCurpage + = 1; the         elifCurpage = = 1: the             ifSelectval = ="Beijing": -Showval ="b3_1 b3_2 b3_3" in             elifSelectval = ="Shanghai": theShowval ="s3_1 s3_2 s3_3" the             elifSelectval = ="Guangzhou": AboutShowval ="g3_1 g3_2 g3_3" theCurpage + = 1; the     elifUserval = ="R" orUserval = ="R": the         ifCurpage <= 1: +Showval ="1. BEIJING 2. Shanghai 3. Guangzhou R. prev Q. Exit" -Curpage =0 the         Else:Bayi             ifSelectval = ="Beijing": theShowval ="1.b1 2.b2 3.b3" theCurpage-= 1; -             elifSelectval = ="Shanghai": -Showval ="1.s1 2.s2 3.s3" theCurpage-= 1; the             elifSelectval = ="Guangzhou": theShowval ="1.g1 2.g2 3.g3" theCurpage-= 1;  -     Else: the         Print("not found the corresponding city, please re-enter <-") the Print("GAME over")

python-Implementation of Level 3 menu (homework lesson)