Python note-3 (Purchase Product), python-3

Python note-3 (Purchase Product), python-3

#! /Usr/bin/env python
#-*-Coding: UTF-8 -*-

# The following is a shopping program:
# First enter the salary, display the commodity list, purchase, quit, and finally format and output the purchased commodity.
Count = 0
While True: # make a loop judgment. If the input is not a number, exit after three times based on the prompt.
Salary = input ("input your salary:") # Enter your salary
If salary. isdigit (): # The input salary must be a number to go down.
Salary = int (salary) # convert to integer type
Break
Else:
Print ("Please input a number :")
Count + = 1
If count = 3:
Exit ()

Goods_list = [["Iphone", 5800], ["Macbook", 12800], ["iMac", 15000], ["ApplePen", 500], ["IPod ", 1200] # product list
Shop_list = [] # list of purchased products
Msg = "Product List"
Print (msg. center (30 ,"*"))
For I, ele in enumerate (goods_list): # traverse the elements in the sequence and Their subscript
Print (I, ".", ele [0], ele [1])
While True:
Choice = input ("Which do you want (quit type \" quit \ ") >>> ")
If choice. isdigit (): # determine whether the selected number is a number.
Choice = int (choice) # convert to integer type
If choice <= len (goods_list)-1: # The selected number must be smaller than the list length-1, because the subscript starts from 0.
If salary> = int (goods_list [choice] [1]): # judge whether the salary is sufficient
Shop_list.append (goods_list [choice]) # add the item to shopList
Salary-= goods_list [choice] [1] # deduct salary
Print ("You just buy a % s now you have % s RMB" % (goods_list [choice] [0], salary ))
Else:
Print ("Not enough money ")
Else:
Print ("There is no such things ")
Elif choice = "quit ":
Print ("Here is what you buy:") # The idea Here is to create a dictionary to format and output the purchased item
Total = 0
Shop_dict = {}
For item in shop_list:
Things = item [0]
Money = item [1]
Total + = int (money)
If things in shop_dict:
Shop_dict [things] [0] + = 1
Shop_dict [things] [1] + = money
Else:
Shop_dict [things] = [1, money]
For item in shop_dict.items ():
Print ("% s total % s" % (item [0], item [1] [0], item [1] [1])
Print ("total spent:", total)
Exit ()
Else:
Print ("Please input a number ")
Continue