python编写购物车-实时购买

本次编写的是实时购买（输入商品直接进行购买），余额不足可以进行充值或结束购物

goods = [
    {"name": "电脑", "price": 1999},
    {"name": "鼠标", "price": 10},
    {"name": "游艇", "price": 20},
    {"name": "美女", "price": 998},
]
gouwuche = {}
xiaofei = 0
zongxiaofei = 0
for buy_list in goods:
    gouwuche[buy_list["name"]] = {"num":0, "jiage":buy_list["price"]}
zichan = int(input("请输入资产："))
print("--------------shangpin list--------------")
for shangpin_list in goods:
    print(shangpin_list["name"], shangpin_list["price"])
print("-------------------end-------------------")
while True:
    print("您的当前余额为：", zichan)
    buy_name = input("输入商品名称进行购买：")
    if buy_name in gouwuche.keys():
        if zichan >= gouwuche[buy_name]["jiage"]:
            gouwuche[buy_name]["num"] = gouwuche[buy_name]["num"] + 1
            print("购买成功！
")
        else:
            print("余额不足，还差：", gouwuche[buy_name]["jiage"] - zichan)
            chongzhi = input("请输入'y'or'Y'前往充值或者输入'n'or'N'结束购物：")
            if chongzhi.lower() == "y":
                jine = int(input("请输入充值金额："))
                zichan = zichan + jine
                print("充值成功!
")
                continue
            elif chongzhi.lower() == "n":
                print("您本次购物结束，结余：", zichan, "总消费：", zongxiaofei)
                exit()
    else:
        print("商品不存在，重新输入：")
        continue
    for jiesuan_key, jiesuan_values in gouwuche.items():
        jiesuan_num = jiesuan_values["num"]
        jiesuan_jiage = jiesuan_values["jiage"]
        xiaofei = jiesuan_num * jiesuan_jiage
        zichan = zichan - xiaofei
        zongxiaofei = zongxiaofei + xiaofei
    gouwuche[buy_name]["num"] = gouwuche[buy_name]["num"] - 1