save project

diy.py

-with open(r"c:\Users\86189\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8")as filel:
+with open(r"c:\Users\86189\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:
     date=i.split()
     date=i.split()