python_24_test

product_list=[
    ('Iphone',5800),
    ('Mac Pro',9800),
    ('Bike',800),
    ('Watch',10600),
    ('Coffee',31),
    ('Python Book',49)
]
shopping_list=[]
salary=input('Input your salary:')
if salary.isdigit():
    salary=int(salary)
    while True:
        # for item in product_list:
        #     print(product_list.index(item),item)
        for index,item in enumerate(product_list):#enumerate 取出列表的下表
            print(index,item)
        user_choice=input('>>>:选择要买嘛？>>>:')
        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))#33[31;1m%s33[0m表示红色
                else:
                    print('33[41;1m你的余额只剩[%s]啦，还买个毛线33[0m'%salary)#41是背景红，32是绿色，42是背景绿
            else:
                print("商品[%s]不存在"%user_choice)
        elif user_choice=='q':
            print('--------shopping list---------')
            for p in shopping_list:
                print(p)
            print("你的余额：" ,salary)#print("你的余额：%s"%salary)
            exit()
        else:
            print('invalide option')