--- a/solutions5/bf.scala	Tue Aug 25 01:18:17 2020 +0100
+++ b/solutions5/bf.scala	Tue Aug 25 01:41:56 2020 +0100
@@ -1,20 +1,22 @@
-// Part 1 about an Interpreter for the Brainf***++ language
-//========================================================
-
+// Core Part about an Interpreter for 
+// the Brainf***++ language
+//==============================================
 
 object CW10a {  
 
-import io.Source
-import scala.util._
 
+// representation of Bf memory 
 
 type Mem = Map[Int, Int]
 
 
 // (1) Write a function that takes a file name as argument and
-// and requests the corresponding file from disk. It returns the
+// and requests the corresponding file from disk. It Returns the
 // content of the file as a String. If the file does not exists,
-// the function should return the empty string.
+// the function should Return the empty string.
+
+import io.Source
+import scala.util._
 
 def load_bff(name: String) : String = 
   Try(Source.fromFile(name)("ISO-8859-1").mkString).getOrElse("")
@@ -82,6 +84,7 @@
 // rules of the brainf***++ language. Then, recursively, the compute 
 // function continues with the command at the new program
 // counter. 
+//
 // Implement the run function that calls compute with the program
 // counter and memory counter set to 0.