#!/usr/bin/env python# -*- coding: utf-8 -*-# @File  : 购物车3.0.py# @Author: Anthony.waa# @Date  : 2018/5/14 0014# 原始购物清单goods = [    {"name": "电脑", "price": 1999},    {"name": "鼠标", "price": 10},    {"name": "游艇", "price": 20},    {"name": "美女", "price": 998},]# 购物车shopping_car = {}# 商品个数good_count = 1# 输入不合法是打印def return_error():    print("\033[1;31m 输入不合法,请重新输入 \033[0m")# 打印购物车商品和剩余金额def end_shopping():    print("\033[1;32m 剩余金额为： \033[0m", all_money)    print('\033[1;32m 已购商品有: \033[0m', shopping_car, )

while True:    # 用户输入总资产    all_money = input("\033[1;32m 请输入总资产: \033[0m").strip()    if all_money.isdigit():        all_money = int(all_money)        # 显示购物商品列表        print('\033[1;32m ========== 商 品 清 单 ========== \033[0m'.center(20))        for good_index, good in enumerate(goods, 1):            print('\033[1;32m    {0}         {1}         {2}   \033[0m'.format(good_index, good['name'],good['price']).center(20))        print('\033[1;32m 选择"q"退出 \033[0m'.center(20))        while True:            # 选择商品序号,或选择退出购物            choice_count = input("\033[1;32m 请输入商品序号: \033[0m").strip()            if choice_count.isdigit():                choice_count = int(choice_count)                # 商品序号小于商品列表长度                if choice_count > 0 and choice_count <= len(goods):                    good_price = goods[choice_count - 1]['price']                    # 用户资产大于商品价格,否则提示充值                    if all_money > good_price:                        good_name = goods[choice_count - 1]['name']                        all_money -= good_price                        # 商品是否存在购物车中                        if good_name not in shopping_car:                            shopping_car[good_name] = good_count                        else:                            for shopping_index, shopping_name in enumerate(shopping_car):                                if shopping_name == good_name:                                    shopping_car[shopping_name] += 1                        end_shopping()                    else:                        print('\033[1;31m 余额不足,请充值： \033[0m'.center(17))                        add_money = input("请输入总资产：").strip()                        if add_money.isdigit():                            add_money = int(add_money)                            all_money += add_money                            print('\033[1;32m 充值成功,剩余金额为： \033[0m'.center(17), all_money)                            continue            elif choice_count.lower() == 'q':                print("\033[1;32m 购物结束,欢迎下次光临 \033[0m")                end_shopping()                exit()    return_error()