Python实现购物车程序

后端开发|Python教程

Python,购物车,程序

后端开发-Python教程

这篇文章主要为大家详细介绍了Python实现购物车程序，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

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本文实例为大家分享了程序：Python购物车程序，具体内容如下

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需求：

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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

如余额不足，可充值

代码：

#coding=utf-8#Version:python 3.6.0#Tools:Pycharm .3.2_date_ = /4/16/016 14:50\_author_ = Hongyongsalary = int(input("Please input your salary: "))shoppingmart = []items = (["1","Huawei","￥",2800],["2","Earphone","￥",300],["3","Book","￥",80])msg_items = \----------items----------1. Huawei ￥ 28002. Earphone ￥ 3003. Book ￥ 80-------------------------\print(msg_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?") print(msg_items) else: print("Your balance is not enough! Please try sth else.") recharge_ans = input("Do you want to recharge?") if recharge_ans == "y":recharge = int(input("Please input money: "))print("Please wait for a while...")salary += rechargeprint("You have recharged successfully!")print("And the balance is: ",salary,"now!") decision = input("Do you want to quit now?") print(msg_items) if decision == "q": break else: continueprint("You have bought: ",shoppingmart)print("Your balance is: ￥",salary)print("Welcome your next coming!")

程序效果：

Please input your salary: 0 ----------items----------1. Huawei ￥ 28002. Earphone ￥ 3003. Book ￥ 80------------------------- Please choose goods: 1Your balance is not enough! Please try sth else.Do you want to recharge?yPlease input money: 30000Please wait for a while...You have recharged successfully!And the balance is: 30000 now!Do you want to quit now? ----------items----------1. Huawei ￥ 28002. Earphone ￥ 3003. Book ￥ 80------------------------- Please choose goods: 1You have bought Huawei !Your balance is: ￥ 27200Do you want to quit now? ----------items----------1. Huawei ￥ 28002. Earphone ￥ 3003. Book ￥ 80------------------------- Please choose goods: 2You have bought Earphone !Your balance is: ￥ 26900Do you want to quit now?q ----------items----------1. Huawei ￥ 28002. Earphone ￥ 3003. Book ￥ 80------------------------- You have bought: [[1, Huawei, ￥, 2800], [2, Earphone, ￥, 300]]Your balance is: ￥ 26900Welcome your next coming!

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