How to realize Shopping cart by python

This article is about how python implements a shopping cart. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

#! / usr/bin/env python

#!-coding:utf-8

# Author:Eric

My_salary = input ("Input your salary:")

If My_salary.isdigit ():

My_salary = int (My_salary)

Else:

Exit ("Invaild data type...")

Welcome_msg = 'Welcome to Eric Shopping mall'.center'

Print (welcome_msg)

Exit_flag = False

Product_list = [

('Iphone',5800)

("Mac Air", 8000)

("Mac Pro", 9000)

(XiaoMi 2, 19.9)

("Coffee", 30)

("Tesla", 820000)

("Bike", 700)

(Cloth, 200),]

Shop_car = []

While exit_flag is not True:

# for product_item in product_list:

# pawname.pamphlet price = product_item

Print ("product list" .center (50jinzhuyu'))

For item in enumerate (product_list): # returns the subscript in the list. Enumerated function

Index = item [0]

P_name = item [1] [0]

P_price = item [1] [1]

Print (index,'.',p_name,p_price)

# print (len (product_list))

User_choice = input ("[Q = quit,c=check] What do you want to Buy?:")

If user_choice.isdigit (): # must be to choose a product. User_choice = int (user_choice) if user_choice < len (product_list): p_item = product_ list [user _ choice] if p_item [1]