auto save

diy.py

 with open(r"c:\Users\admin\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file:
 with open(r"c:\Users\admin\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file:
-    a=file.read()
-    print(a)
+    a=file.readlines()
+for i in a:
\ No newline at end of file
+    data=i.split()
+    #print(data[1:])
+    sum=0
+    for b in data[1:]:
+        sum=sum+int(b)
+    new_data=data[0]+str(sum)
+    print(new_data)