save project

diy.py

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