auto save

diy.py

-with open(r"c:\Users\23636\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8" )                  
-a = feli.readlines()
+with open(r"c:\Users\23636\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as feli:                
+    a = feli.readlines()
 
 
 for i in a:
 for i in a:
     data = i.split()
     data = i.split()