2022年 11月 9日

python三级菜单

 
  1. data = {
  2.     "北京":{
  3.         "昌平": {
  4.             "沙河":["oldboy", "test"],
  5.             "天通苑":["链家地产", "我爱我家"],
  6.         },
  7.         "朝阳": {
  8.             "望京":["奔驰", "陌陌"],
  9.             "国贸":["CICC", "HP"],
  10.             "东直门":["Advent", "飞信"],
  11.         },
  12.         "海淀": {},
  13.     },
  14.     "山东":{
  15.         "德州": {},
  16.         "青岛": {},
  17.         "济南": {},
  18.     },
  19.     "广东":{
  20.         "东莞": {},
  21.         "常熟": {},
  22.         "佛山": {},
  23.     }
  24. }
  25.  
  26. exit_falg = True
  27. while exit_falg:
  28.     for i in data:
  29.         print(i)
  30.     choice = input("输入进入一级菜单：")
  31.     if choice in data:
  32.         while exit_falg:
  33.             for i2 in data[choice]:
  34.                 print("\t", i2)
  35.             choice2 = input("输入进入二级菜单：")
  36.             if choice2 in data[choice]:
  37.                 while exit_falg:
  38.                     for i3 in data[choice][choice2]:
  39.                         print("\t\t", i3)
  40.                     choice3 = input("输入进入三级菜单：")
  41.                     if choice3 in data[choice][choice2]:
  42.                         while exit_falg:
  43.                             for i4 in data[choice][choice2][choice3]:
  44.                                 print("\t\t\t", i4)
  45.                             choice4 = input("最后一级，输入‘b’返回是一层或者输入‘q’退出：")
  46.                             if choice4 == "b":
  47.                                 break
  48.                             elif choice4 == "q":
  49.                                 exit_falg = False
  50.                     if choice3 == "b":
  51.                         break
  52.                     elif choice3 == "q":
  53.                         exit_falg = False
  54.             if choice2 == "b":
  55.                 break
  56.             elif choice2 == "q":
  57.                 exit_falg = False
  58.     if choice == "b":
  59.         break
  60.     elif choice == "q":
  61.         exit_falg = False