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 22:58:37 menu = ''' ----------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