auto save

diy.py

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

sales_list.txt

@@ -10,4 +10,16 @@
 刘若若 11 11 13 11 20 15 13 29 24 
 刘若若 11 11 13 11 20 15 13 29 24 
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 王胜男 27 15 15 26 13 12 15
 王胜男 27 15 15 26 13 12 15
-王娇 12 11 12 12 15 35 23 11
+王娇 12 11 12 12 15 35 23 11悟空348
\ No newline at end of file
+诺依380
+小贝182
+李丽201
+宋扬107
+王明245
+李强164
+孙小白222
+苏琪137
+刘若若147
+刘阳226
+王胜男123
+王娇131