2020-04-02

image.png

# -*- coding:utf-8 -*-
#@Time : 2020/4/10 10:14
#@Author: 。。。
#@File : shopping.py

product_list = [
    ('Iphone',5800),
    ('Mac Pro',9800),
    ('Bike',800),
    ('Watch',10600),
    ('Coffee',31),
    ('Alex Python',120)
]
shopping_list = []
salary = input("输入你的工资: ")
if salary.isdigit():
    salary = int(salary)
    while True:
        for index,item in enumerate(product_list):
            #print(product_list.index(item),item)
            print(index,item)
        user_choice = input("选择要买啥？>>>: ")
        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 shpping cart,your current blance is %s.'%(p_item,salary))
                else:
                    print("余额不足，请充值。。。")
            else:
                print("商品不存在。。。")
        elif user_choice == 'q':
            print('------------shopping list---------')
            for p in shopping_list:
                print(p)
            print("Your current balance: ",salary)
            exit()
        else:
            print("无此商品")