auto save

diy.py

 with open(r"c:\Users\86186\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file10:
 with open(r"c:\Users\86186\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file10:
     a=file10.readlines()
     a=file10.readlines()
-    print(a)
+    #print(a)
+    sum = 0
+    for content in a:
+        message = content.split()
+        #print(message[1:])
+        for i in message[1:]:
+            sum+=int(i)
+        print(sum)