save project

diy.py

@@ -9,5 +9,4 @@ for i in a:
     result=data[0]+str(sum)+'\n'
     final_sum.append(result)
 with open(r"C:\Users\syyou\Desktop\sales_list.txt",'a',encoding='utf-8')as file:
-    file.writelines(final_sum)
-
+    file.writelines(final_