auto save

diy.py

 with open(r'c:\Users\EDZ\Documents\lesson13_2\sales_list.txt','r',encoding='utf-8')as file:
 with open(r'c:\Users\EDZ\Documents\lesson13_2\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlines()
     a=file.readlines()
-    print(a)
+    print(a)
\ No newline at end of file
+
+for i in a:
+    print(i)
\ No newline at end of file

sales_list.txt

@@ -10,4 +10,4 @@
 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
\ No newline at end of file