auto save

diy.py

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