python学习 day2购物车程序

production = [
    ["Apple",7000],
    ["watch",3000],
    ["pad",3500],
    ["book",100],
]

shopping_list =[]
salary = input("Your salary:")
if salary.isdigit():
    salary = int(salary)
    while True:
        for index,item in enumerate(production):
            #print(production.index(item),item)
            print(index,item)
        choice = input("你想买什么？")
        if choice.isdigit():
            choice = int(choice)
            if choice < len(production) and choice >= 0:
                if production[choice][1] <= salary:
                    salary -= production[choice][1]
                    shopping_list.append(production[choice])
                    print("你已经购买了%s,还剩下\033[41;1m%s\033[0m"%(production[choice][0],salary))
                else:
                    print("你的钱不够")
            else:
                print("你要购买的商品不存在")
        elif choice =="q":
            print("--------shopping list----------")
            for p in shopping_list:
                print(p)
            print("你的钱还剩下",salary)
            exit()
        else:
            print("请重新输入商品编码")
else:
    print("请重新输入")

Your salary:9000
0 ‘apple‘ 7000
ni xianng mai shen me?0
.....
1 ‘watch‘ 3000
...