auto save

diy.py

-with open(r'c:\Users\Makcoo-益达老师\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+with open(r'c:\Users\Makcoo\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
 for i in a:
     data=i.split()