auto save

diy.py

-with open (r'c:\Users\Administrator\Documents\lesson13-1\sales_lisist.txt''r',encoding='utf-8') as file:
+with open (r'c:\Users\Administrator\Documents\lesson13_2\sales_list.txt''r',encoding='utf-8') as file:
     a=file.readlines()
     a=file.readlines()
-    #print(a)
-
-
-for r in a:
+for i in a:
     print(i)
     print(i)
\ No newline at end of file