auto save

diy.py

-with open(r'c:\Usres\huawei\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+
     a=file.readlines()
     print(a)
 
@@ -7,5 +7,5 @@ for i in a:
     new_i=i.split(0)
     for c in data[1:]:
        s=s+int(c) 
-       f=b 
-
+       f=b[0]+str(s) 
+    peint(f)