save project

diy.py

-with open('c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'encoding='utf-8') as file
+with open('c:\Users\Administrator\Documents\lesson13-1\sales_list.txt'encoding='utf-8') as file1:
     a=file1.readlines()
     a=file1.readlines()
 
 
 for i in a:
 for i in a: