概述
salary = input('input your salary:') if salary.isdigit: salary = int(salary) else: exit('salary is not digit!!') welcome_msg = 'welcome to our shoping mall' print(welcome_msg.center(50,'-')) product_list = [ ('Iphone',5888),('Mac Air',8000),('XiaoMi',19.9),('coffee',30),('Tesla',820000),('Bike',700),('Cloth',200) ] shop_car = [] #推出标志位 exit_flag = 0 while exit_flag is not True: print('product list :'.center(50,'-')) for item in enumerate(product_list): index = item[0] #获得商品序号 p_name = item[1][0] #获得商品名称 p_price= item[1][1] #获得商品价格 print(index,p_name,p_price) user_choice = input('[q=quit,c=check] what do you want to buy?:') if user_choice.isdigit(): user_choice = int(user_choice) if user_choice < len(product_list): #输入的商品序号要在范围之内 p_item = product_list[user_choice] #选择的商品 if p_item[1] <= salary: #买得起 shop_car.append(p_item) #放入购物车 salary -= p_item[1] #减钱 print('purchased products are:'.center(40,'-')) for item in shop_car: print(item) print('Your balance is [%s]' % salary) else: #买不起 print('Your balance is [%s],cannot buy the product!'%salary) else: print('we do not have the product,please input again!') elif user_choice == 'q' or user_choice == 'quit': print('purchased products are:'.center(40,'-')) for item in shop_car: print(item) print('END '.center(40,'-')) print('Your balance is [%s]'%salary) exit_flag =True elif user_choice == 'c' or user_choice == 'check': print('purchased products are:'.center(40,'-')) for item in shop_car: print(item) print('Your balance is %d' % salary) print('Check '.center(40,'-')) else: print('Incorrect input,please input again!!')
input your salary:10000 -----------welcome to our shoping mall------------ ------------------product list :------------------ 0 Iphone 5888 1 Mac Air 8000 2 XiaoMi 19.9 3 coffee 30 4 Tesla 820000 5 Bike 700 6 Cloth 200 [q=quit,c=check] what do you want to buy?:0 added [[('Iphone',5888)]] into shop car,yourcurrent balence is 4112 ------------------product list :------------------ 0 Iphone 5888 1 Mac Air 8000 2 XiaoMi 19.9 3 coffee 30 4 Tesla 820000 5 Bike 700 6 Cloth 200 [q=quit,c=check] what do you want to buy?:1 Your balance is [4112],cannot buy the product! ------------------product list :------------------ 0 Iphone 5888 1 Mac Air 8000 2 XiaoMi 19.9 3 coffee 30 4 Tesla 820000 5 Bike 700 6 Cloth 200 [q=quit,c=check] what do you want to buy?:c shop car list are [[('Iphone',5888)]],your balance is 4112 ------------------product list :------------------ 0 Iphone 5888 1 Mac Air 8000 2 XiaoMi 19.9 3 coffee 30 4 Tesla 820000 5 Bike 700 6 Cloth 200 [q=quit,c=check] what do you want to buy?:4 Your balance is [4112],c=check] what do you want to buy?:q --------purchased products are:--------- ('Iphone',5888) ------------------END ------------------ Your balance is [4112] Process finished with exit code 0
>>> print('product list :'.center(50,'-')) ------------------product list :------------------
>>> for item in enumerate(product_list): print(item) (0,('Iphone',5888)) (1,8000)) (2,19.9)) (3,30)) (4,820000)) (5,700)) (6,200))
总结
以上是编程之家为你收集整理的Python实现购物车功能的方法分析全部内容,希望文章能够帮你解决Python实现购物车功能的方法分析所遇到的程序开发问题。
如果您也喜欢它,动动您的小指点个赞吧