day5作业:购物车(1)

输入工资金额.展示商品,选择购买商品

# -*- coding: utf-8 -*-# @Author: oppend# @Date:   2017-07-26 19:07:32# @Last Modified by:   oppend# @Last Modified time: 2017-07-26 22:58:37menu = '''    ----------menu----------    [1]bike            1500    [2]tea             80    [3]computer        3800    [4]car             80000    ------------------------'''goodsname = ['bike','tea','computer','car']goodsprice = [1500,80,3800,80000]print(menu)salary = int(input('你的工资为:'))while True:    choicenum = input('选择商品序号:')    choiceshop = []    amount = 0    if not choicenum.isdigit():        if choicenum == 'quit':            break        else:            print('请输入商品序号!')            continue    else:         index_num = int(choicenum)-1        if goodsprice[index_num] <= salary:            choiceshop.append(goodsname[index_num])            amount += goodsprice[index_num]            salary -= amount            print('您购买了{},剩余金额{}元'.format(goodsname[index_num],salary))            chonice_continue = input('是否继续购物[Y/N]:')            if chonice_continue  == 'N':                break        else:            print('余额不足,您还有{}元'.format(salary))            break