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  • 购物车

    需求:

    1. 启动程序后,让用户输入工资,然后打印商品列表
    2. 允许用户根据商品编号购买商品
    3. 用户选择商品后,检测余额是否够,够就直接扣款,不够就提醒 
    4. 可随时退出,退出时,打印已购买商品和余额
    # -*- coding:utf-8 -*-
    
    product_list = [
        ('Iphone',5800),
        ('Mac Pro', 12000),
        ('Bike',800),
        ('Watch',15000),
        ('Coffer',46),
        ('Book',70)
    ]
    shopping_list = []
    salary = raw_input("Please input your salary:")
    if salary.isdigit():
        salary = int(salary)
        while True:
            for index,item in enumerate(product_list):
                print(index,item)
            user_choice = raw_input("Please choice wath do you want to buy:")
            if user_choice.isdigit():
                user_choice = int(user_choice)
                if user_choice < len(product_list) and user_choice >= 0:
                    p_item = product_list[user_choice]
                    if p_item[1] <= salary: #买得起
                        shopping_list.append(p_item)
                        salary -= p_item[1]
                        print("Added [%s] into shopping cart,your current balance is 33[31;1m%s33[0m" % (p_item,salary))
                    else:
                        print("33[41;1m you have no more money!! 33[0m")
                        exit()
                else:
                    print("product code [%s] is no exist!!" % user_choice)
            elif user_choice == 'q':
                print("##########shopping list###########")
                for p in shopping_list:
                    print(p)
                print("Your current balance:",salary)
                exit()
            else:
                print("invalid option")

     购物车进阶:https://www.cnblogs.com/hulk-1029/p/11132424.html

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  • 原文地址:https://www.cnblogs.com/hulk-1029/p/10953942.html
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