auto save

diy.py

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