Python3笔记——简单购物车程序
2022/2/9 9:16:08
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__Author__ = "MDJ" #购物车程序 #1、启动程序后,让用户输入工资,然后打印商品列表 #2、允许用户根据商品编号购买商品 #3、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 #4、可随时退出,退出时,打印已购买商品和余额 salary = int(input("please input your salary:")) goods = [["Foam",300],["Soap",250],["Mask",600],["SPA",100]] buygoods = [] num = 0 num1 = 0 count = 0 while salary >= 0 : while num in range(0,4): print("序号",num,"、",goods[num][0],"人民币:",goods[num][1]) num += 1 buy = input("请输入要购买的商品序号(输入q退出并结算):") if buy == "q": while num1 in range(0,count): print("已购买:",goods[buygoods[num1]][0],goods[buygoods[num1]][1]) num1 += 1 print("余额:",salary) break else: buy = int(buy) if salary - goods[buy][1] >= 0: count += 1 salary = salary - int(goods[buy][1]) buygoods.append(buy) print("购买成功,余额:",salary) else: print("余额不足:购买需要",int(goods[buy][1])," 所剩余额:",salary)
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