简单的购物车小程序

# Author:Macheng

production_list = [
    ("iphone7", 6000),
    ("mac book", 15000),
    ("TV", 3000),
    ("bick", 800),
    ("paid", 4000)
]
shopping_car = []

while True:
    salary = input("请输入您的工资：")
    if salary.isdigit():
        salary = int(salary)
        while True:
            print("----本店有如下商品----")
            for production in production_list:
                print(production_list.index(production), production)
            produciton_choise = input("请输入您需要的商品编号>>>")
            if produciton_choise.isdigit():
                produciton_choise = int(produciton_choise)
                if produciton_choise < len(production_list) and produciton_choise >= 0:
                    money_choise = production_list[produciton_choise][1]
                    if money_choise <= salary:
                        shopping_car.append(production_list[produciton_choise])
                        salary -= money_choise
                        print("已添加%s到您的购物车！余额%s" %(production_list[produciton_choise], salary))
                    else:
                        print("您的余额不足！余额为：\033[31;1m%s\033[0m" %(salary))
                        exit()
                else:
                    print("您输入的商品编号错误，请重新选择！")
            elif produciton_choise == "q":
                print("您已退出购物，购物的商品有：")
                for shopping_buy in shopping_car:
                    print(shopping_buy)
                exit()
            else:
                print()
    else:
        print("您输入的工资数据错误，请核对后重新输入！")