auto save

diy.py

@@ -9,4 +9,6 @@ for i in a:
     for sales in data[1:]:
         sum=sum+int(sales)
     result=data[0]+str(sum)
-    print(result)
\ No newline at end of file
+    final_sum.append(result)
+with open(r'C:\Users\86132\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+    file.writable(final_sum)
\ No newline at end of file