auto save

diy.py

-with.open(r'c\Users\Administrator\Desktop\sales_list.txt')
+with open(r'c\Users\Administrator\Desktop\sales_list.txt','r', encoding='uft-8')as file:
\ No newline at end of file
+    a=file.readlines
+    for i in a:
+        data=i.split()
+        sam=0
+        for sales in data[1:]:
+            sam=sam+int(sales)
+        result=data[0]+str(sum)
+        final_sum.append(result)
+        with open(r'c\Users\Administrator\Desktop\sales_list.txt','a', encoding='uft-8')as file:
+            final_sum.append(result)    
+    
\ No newline at end of file