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  • lower版购物车模拟

    goods = [{"name": "小哥哥", "price": 1999},
             {"name": "润滑油", "price": 100},
             {"name": "情趣玩具", "price": 200},
             {"name": "杜蕾斯", "price": 60},
             {"name": "冈本", "price": 40},
             {"name": "少妇", "price": 500},
             {"name": "人妻", "price": 299},
             {"name": "学生", "price": 1998}]
    p_names = [i for i in goods]        #创建商品名列表
    count = []                          #创建计数列表
    for i in range(len(goods)):
        count.append(0)                 #为计数列表添加元素
        print("{2},{0},{1}".format(goods[i]["name"], goods[i]["price"], i + 1))           #打印所有商品名
    def buy():
        ##确认购买
        global balance
        while 1:
            check = input("说吧,看上哪个了:")
            if check.isdigit() and 0 < int(check) < len(goods) + 1:     #确认正确输入
                count[int(check) - 1] +=1                    #为商品个数加一
                if balance <= 0:
                    print("别选了,你钱都不够了!!")                    #余额不足提示
                    continue
                else:
                    balance -= goods[int(check) - 1]["price"]          #为客户计算余额
            elif check.upper() == "Q":                          #输入Q退出并打印购物车明细及余额
                j = 0
                for i in count:
                    print("您总共选了{0},{1},{2}个!".format(p_names[j]["name"],p_names[j]["price"],i))
                    j += 1
                print("您的余额为:{}".format(balance))
                break
            else:
                print("你的输入有误!!")
    def look():
        while 1:
            demand = input("还有不清楚价格的吗?确认输入Q前往购买:")               #查看各商品序号
            if demand.isdigit() and 0 < int(demand) < len(goods) + 1:
                print("{0},{1}".format(goods[int(demand) - 1]["name"], goods[int(demand) - 1]["price"]))       #打印该商品明细
            elif demand.upper() == "Q":
                buy()
                break
            else:
                print("我看你是不想嗨了,重新输入!!")
    while 1:
        global balance
        balance = input("兄dei你有多少钱啊?带你去嗨皮!!")
        if balance.isdigit():
            balance = int(balance)
            look()
            break
        else:
            print("别瞎输入,到底有多少钱??!")
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  • 原文地址:https://www.cnblogs.com/NoteBook3013/p/10222960.html
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