Python--字典（三级菜单）

 # -*- coding:utf-8 -*-

 data = {
     "腾讯":{
         "LOL":{
             "上单":["诺手","剑姬","蛮王"],
             "打野":["男枪","盲僧","卡兹克"]
         },
         "CF":{
             "步枪":[],
             "手枪":[],
             "机枪":[]
         },
         "王者":{
             "上单":["宫本","亚瑟","项羽"],
             "打野":["李白","兰陵王","韩信"],
             "射手":["鲁班","后裔"]
         }
     },
     "网易":{
         "游戏1"
     }
 }

 exit_flag = False
 while not exit_flag:
     for i1 in data:
         print(i1)
     choice1 = input(">>>1:")
     if choice1 in data:
         while not exit_flag:
             for i2 in data[choice1]:
                 print("\t",i2)
             choice2 = input(">>>2:")
             if choice2 in data[choice1]:
                 while not exit_flag:
                     for i3 in data[choice1][choice2]:
                         print("\t\t",i3)
                     choice3 = input(">>>3:")
                     if choice3 in data[choice1][choice2]:
                         for i4 in data[choice1][choice2][choice3]:
                             print(i4)
                         choice4 = input(">>>4:")
                         if choice4 == "b":
                             pass
                         elif choice4 == "q":
                             exit_flag = True
                     elif choice3 == "b":
                         break
                     elif choice3 == "q":
                         exit_flag = True
             elif choice2 == "b":
                 break
             elif choice2 == "q":
                 exit_flag = True
     elif choice1 == "q":
         exit_flag = True