auto save

diy.py

 with open("c:\\Users\\栩栩\\Documents\\lesson13-1\\sales_list.txt","r",encoding="utf-8")as zhu:
 with open("c:\\Users\\栩栩\\Documents\\lesson13-1\\sales_list.txt","r",encoding="utf-8")as zhu:
     a=zhu.readlines()
     a=zhu.readlines()
 for i in a:
 for i in a:
+    shu=0
     data=i.split()
     data=i.split()
-    print( data[0] )
-    print( data[1:])
+    for s in data[1:]:
+        d=int(s)
+        shu=shu+d
+    print(data[0]+str(shu))