python购物车程序简单代码

本文实例为大家分享了python购物车程序的具体代码，供大家参考，具体内容如下

代码：

'''''
Created on 2017年9月4日

@author: len
'''

product_list = [
('Robot',200000),
('MacPro',12000),
('Iphone8',8888),
('Hello World',1200),
   ]
shopping_list = []
user_salary=input("请输入你的工资：")
if user_salary.isdigit():
user_salary = int(user_salary)
while True:
 print("商品如下：")
 for index,item in enumerate(product_list):

print (index,item)
 user_choice = input("请输入要购买的商品编号：")
 if user_choice.isdigit():
  user_choice = int(user_choice)
  if user_choice < len(product_list) and user_choice > -1:
   p_item = product_list[user_choice]
   if user_salary>=p_item[1]:
    shopping_list.append(p_item)
    user_salary-=p_item[1]
    print("购买商品",p_item,"成功您的余额为",user_salary,"元！" )
   else:
    print("您的余额为",user_salary,"余额不足以购买此商品，购买失败！")

else:
   print("并无此产品！")
 elif user_choice == "q":
  print("--------shopping list-------")
  for i in shopping_list:
   print(i)
  exit()
 else:
  print("invalidate！！！")

效果图：

来源：https://blog.csdn.net/weixin_38626799/article/details/77836527