auto save

diy.py

 with open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readline()
 for i in a:
-    print(i)
\ No newline at end of file
+    i.split()
+    print(data[:])
\ No newline at end of file