python实现简单购物筛选
# -*- coding: utf-8 -*-products = ["book","plane","phone","fan","hen","bed","car"]
price =
shop_list= []
salary = int(raw_input("please input your money:"))
while 1:
print u'请从以下商品中挑选一个或者几个购买：'
for i in range(0,len(products)):
if (salary>=price):
print products,price
print "+---------------------------------+"
choice= raw_input("please choice a shop to buy:")
F_choice = choice.strip()#去除空格，格式化输出。
if F_choice in products:
product_price = price #取出产品价格
print "+---------------------------------+"
print u"你要购买的商品以及价格：",F_choice,product_price
print u"商品正在加入购物列表，请稍等"
if salary > product_price:
shop_list.append(F_choice)
salary = salary - product_price
print "+---------------------------------+"
print u"%s已经添加到你的购物列表" % F_choice
print u"你的余额还有：", salary
print u"你已经购买的商品有：", shop_list
print "+---------------------------------+"
else:
pass
else:
print u"你输入的商品不在商品列表里，请重新输入！"
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