1 commodity = [[1,'滿漢全席',5000],[2,'燒烤',500],[3,'自助餐',50]]
 2 shopping_cards = []
 3 flag = 0
 4 while flag==0:
 5     salary = int(input("請(qǐng)輸入你的工資(若想退出請(qǐng)輸入0)："))
 6     if salary==0:
 7         flag = 1
 8     while flag==0:
 9         info = '''
10         ------ 商品信息 ------
11         編號(hào)    物品    價(jià)格
12         '''
13         print(info)
14         for i in commodity:
15             print(i)
16         while(salary!=0 and flag==0):
17             a = int(input("請(qǐng)輸入你想買的商品編號(hào)(退出請(qǐng)輸入0)："))
18             if a==0:
19                 flag = 1
20                 break
21             for x in commodity:
22                 if a==x[0] and salary>=x[2]:
23                     shopping_cards.append(x)
24                     salary = salary - x[2]
25                     break
26                 elif a==x[0] and salary<x[2]:
27                     print("你的工資不足以支付所選商品，請(qǐng)合理消費(fèi)！")
28                     break
29             if salary<commodity[2][2]:
30                 print("你的余額不足以購買任意商品了！")
31                 continue
32 print("------ 已購商品 ------")
33 print("編號(hào)   商品   價(jià)格")
34 if len(shopping_cards)>0:
35     for y in shopping_cards:
36         print(y)
37     print("總計(jì)購買數(shù)量：",len(shopping_cards))
38 else:
39     print("總計(jì)購買數(shù)量：0")