#Author:Wildwolf

#-*- coding:utf-8 -*-

#可以用index确定下标

#本例中是静态的，用list固定了产品种类，没有想到用下标的形式选择商品

#自己增加了可选择购买物品数量的功能

import sys

alterlist = ['欢迎光临', [1, 'MG元祖高达', 150], [2,'MG独角兽一号机', 230], [3, 'MG报丧女妖', 220], [4, 'MG沙扎比', 430],

           [5, 'MG精神力感知扎古', 420], [6, 'MG红异端', 255]]

shoplist = []

list = ['', '', '', '', '', '']

salary = input("请输入您的工资：")

while True:

    salarylast = salary

    for i in alterlist:

        print(i)

    print('如果您想退出,请输入"q"或按任意键继续')

    getpass = input()

    while getpass == 'q':

        print("您所购商品为:-----shopping list-----")

        for i in shoplist:

            print(i)

        print("您的余额为:\033[31;1m%s\033[0m" % salarylast)

        print("谢谢惠顾！")

        sys.exit(0)

    else:

        print("请按提示输入：")

        getpass2 = input("请输入您要购买的商品编号：")

        if getpass2 not in list:

            print("输入错误，请重新输入")

            continue

        else:

            select = int(getpass2)

            if select > 6:

                print("没有对应的商品，请重新输入：")

            else:

                if int(salary) > int(alterlist[select][2]):

                    number = input("请输入您要购买的数量：")

                    if number not in list:

                        print("输入错误，请重新输入")

                    else:

                        salary = (int(salary) - int(alterlist[select][2])*int(number))

                        shoplist.append([alterlist[select], number])

                        print("商品已放入购物车,您的余额为\033[31;1m%s\033[0m" % salary)

                else:

                    print("您的余额不足")

#-*- coding:utf-8 -*-

print("欢迎光临！")

alter_list = [('MG元祖高达', 150),

              ('MG独角兽一号机', 230),

              ('MG报丧女妖', 220),

              ('MG沙扎比', 430),

              ('MG精神力感知扎古', 420),

              ('MG红异端', 255)]

shoplist = []

salary = input("输入你的工资:")

if salary.isdigit():   #判断是否字符串是否由数字构成

    salary = int(salary)   #转换成整数类型

    while True:

        for index, item in enumerate(alter_list):   #print(product_list.index(item),item)

            print(index, item)

        user_choice = input("请输入您要购买的商品编号:")

        if user_choice.isdigit():

            user_choice = int(user_choice)

            if user_choice < len(alter_list) and user_choice >=0: #列表的长度

                p_item = alter_list[user_choice]

                if p_item[1] <= salary:

                    alter_list.append(p_item)

                    salary -= p_item[1]

                    print("将 %s 添加至您的购物车，您的余额为 \033[31;1m%s\033[0m" % (p_item, salary))

                else:

                    print("\033[41;1m你的余额为[%s]\033[0m" % salary)  #输出余额

            else:

                print("商品编号 [%s] 不存在!" % user_choice)

        elif user_choice == 'q':

            print("--------shopping list------")

            for p in alter_list:

                print(p)

            print("您的余额为:", salary)

            print("谢谢惠顾！")

            exit()

        else:

            print("输入错误")