1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3 # Author:Mgin
4 shopping_car = []
5 salary = int(input("your salary:"))
6 goods_list = [["Watch",20000],["ThinkPad",8500],["IPhone",5800 ],["Suit",3700],["Boost shoes",1700],["Contact Lens",150],["Alex python",80],["Starbucks",30]]
7 print("goods list：")
8 for i in goods_list:
9 print(goods_list.index(i),i)
10 while salary > 0:
11 add = int(input("add goods to your shopping car:"))
12 if add > int(len(goods_list)-1) or add < 0:
13 print("goods have not been found ")
14 stop = input("Do you want to continue:")
15 if stop != 'n':
16 continue
17 else:
18 for i in shopping_car:
19 print(i)
20 print("balance:", salary)
21 break
22 elif salary - goods_list[add][1] > 0:
23 salary = salary - goods_list[add][1]
24 shopping_car.append(goods_list[add])
25 print("added",goods_list[add][0],"to your shopping car.","\n","balance:",salary)
26 stop = input("Do you want to continue:")
27 if stop != 'n':
28 continue
29 else:
30 for i in shopping_car:
31 print(i)
32 print("balance:",salary)
33 break
34 else:
35 print("you have not enough money")
36 stop = input("Do you want to continue:")
37 if stop != 'n':
38 continue
39 else:
40 for i in shopping_car:
41 print(i)
42 print("balance:", salary)
43 break