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1.第一个购物车小程序

1.第一个购物车小程序

作者: 蜗牛仔 | 来源:发表于2016-11-13 11:24 被阅读204次
    product_list = [
        ('iphone',5800),
        ('mac book',12000),
        ('Coffee',33),
        ('Jay python',130),
        ('bike',800),
        ('watch',1200),
    ]
    shopping_list=[]
    salary=input('请输入你的工资:')
    if salary.isdigit():
        while True:
            salary = int(salary)
            for index,item in enumerate(product_list):
                print(index,item)
            Use_choice= input("请输入你要购买的商品序号:")
            if Use_choice.isdigit():
                Use_choice= int(Use_choice)
                if Use_choice <len(product_list) and Use_choice>=0:
                    p_item = product_list[Use_choice]
                    if salary>p_item[1]:
                        salary-=p_item[1]
                        shopping_list.append(p_item)
                        print('Add %s into shopping list,and your current balance is %s'%(p_item,salary))
                    else:
                        print('你就这点剩%s这点钱了,还买个毛线啊'%(salary))
                else:
                    print('你要购买的商品不存在')
            elif Use_choice =='q':
                print('---------shopping list-------')
                for item in shopping_list:
                    print(item)
                print('你现在的余额是{}'.format(salary))
                break
            else:
                print('无效输入,请重新选择商品序号或者按q退出')```

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