Python笔记(三)购物车小程序

来源:互联网 时间:2017-06-01

product_list = [ ['Apple',10], ['Banner',6], ['Peach',12], ['Orage',14], ['Grape',11]]shopping_list = []salary = input("请输入你的余额:")if salary.isdigit(): salary = int(salary) while True: for index, item in enumerate(product_list): print(index,item) user_choice = input("请输入商品的编号:") 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: shopping_list.append(p_item) salary -= p_item[1] print("您购买的%s已加入购物车,余额剩余:/033[31;1m%s/033[0m" %(p_item,salary)) else: print("/033[41;1m你的余额不足!/033[0m") else: print("找不到相应的商品编号!") elif user_choice == 'q': print("购物车内的商品如下:%s/n您的余额剩余:%s" %(shopping_list,salary)) for i in shopping_list: print(i) exit() else: print("您输入的选项错误!")else: print("Error!")

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