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#!/usr/bin/env python
# -*- coding:utf-8 -*-
#将商品加入购物车及商品结算
a=input('请输入总资产:')
car_dict={}
goods=[{"name":"电脑","price":4999},
{"name":"电视", "price": 2559},
{"name":"平板", "price": 1888},
{"name":"手机", "price": 2449}]
#显示所有是商品及其价格
for i in goods:
print(i['name'], i['price'])
#用户输入商品加入购物车，输入Y/y就结算
while True:
i2=input("请输入商品名称(Y/y结算):")
if i2.lower()=="y":
break
#如果用户输入的的商品在商品列表，将用户所选的商品数及其单价更新到car_dict这个字典里
for items in goods:
if items['name']==i2:
name=items['name']
if name in car_dict.keys():
car_dict[name]['num']=car_dict[name]['num']+1
else:
car_dict[name] = {"num":1,"single_price":items['price']}
print(car_dict)
#结算部分，对比用户总资产和所选商品的总价格，分别输出对应的提示
total_price=0
for k,v in car_dict.items():
m=v['single_price']
n=v['num']
all_sum=m*n
total_price=total_price+all_sum
if total_price>int(a):
print("sorry,your asset is too little")
else:
print("Congratulation,buy them successfully!") | 
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