auto save

diy.py

 with open(r"c:\sales_list.txt","r",encoding="utf-8") as file1:
-    print(file1.read()) 
+    a=file1.readlines()
+final_new=[]
 
+for i in a:
+    data=i.split()
+    sum=0
+    for sales in data[1:]:
+        sum=sum+int(sales)
+    result=data[0] + str(sum)
+    print(result)
+
+    #final_new.append(result)
+with open(r"c:\new_sales_list.txt","a",encoding="utf-8") as file:
+    file.writelines(final_new)
\ No newline at end of file