python6

购物车

"""
买家  买家   商品  金钱
"""
li=[
    {"name":"苹果","price":10},
    {"name":"香蕉","price":20},
    {"name":"西瓜","price":5},
]
#把货物放在货架上
shopping_car={}
print("欢迎来到bree水果店")
money=input("让我看看你的钱")
if money.isdigit()and int(money) >0:
    while 1:
        for i, k in enumerate(li):
            print("序号{}，商品{},价格{}".format(i, k["name"], k["price"]))
        choose = input("请输入您要购买的商品序号")
        if choose.isdigit() and int(choose) < len(li):
            num = input("您要购买的商品数量")
            if num.isdigit():
                if int(money) >= li[int(choose)]["price"] * int(num):
                    li[int(choose)]["price"] * int(num)
                    money = int(money) - li[int(choose)]["price"] * int(num)
                    if li[int(choose)]["name"] in shopping_car:
                        shopping_car[li[int(choose)]["name"]] = shopping_car[li[int(choose)]["name"]] + int(num)
                    else:
                        shopping_car[li[int(choose)]["name"]] = int(num)
                    print("购物车中的商品有{}，您的余额为{}".format(shopping_car,money))
                else:
                    print("穷鬼，回去赚钱")
                    break
        else:
            print("都说了是序号，你傻啊")