save project

diy.py

 
-with open(r"c:\Users\Administrator\Documents\lesson13-3\sales_list.txt","")as file:
+with open(r"c:\Users\Administrator\Documents\lesson13-3\sales_list.txt","r",encoding="utf-8")as file:
     a=file.readlines()
 for i in a:
     z=i.split()