Python学医第二天——购物车程序

程序：购物车程序

需求:

启动程序后，让用户输入工资，然后打印商品列表
允许用户根据商品编号购买商品
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
可随时退出，退出时，打印已购买商品和余额

#coding=utf-8
#Version:python 3.6.0
#Tools:Pycharm 2017.3.2
_date_ = '2018/4/16/016 14:50'
_author_ = 'Hongyong'

salary = int(input("Please input your salary: "))
shoppingmart = []
items = (["1. ","Huawei","￥",2800],
         ["2. ","Earphone","￥",300],
         ["3. ","Book","￥",80])
print(items)
while True:
    shopindex = int(input("Please choose goods: "))
    if salary > items[shopindex-1][3]:
        shoppingmart.append(items[shopindex-1])
        salary -= int(items[shopindex-1][3])
        print("You have bought {name} !".format(name = items[shopindex-1][1]))
        print("Your balance is: ￥",salary)
        decision = input("Do you want to quit now?")
        if decision == "q":
            break
        else:
            continue
    else:
        print("Your balance is not enough! Please try sth else.")
print("You have bought ",shoppingmart)

Python学医第二天——购物车程序

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