auto save

diy.py

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