--- a/templates2/docdiff.scala	Tue Oct 29 14:34:51 2019 +0000
+++ b/templates2/docdiff.scala	Tue Oct 29 23:56:13 2019 +0000
@@ -1,5 +1,9 @@
-// Part 1 about Code Similarity
-//==============================
+// Preliminary Part about Code Similarity
+//========================================
+
+
+object CW7a { 
+
 
 //(1) Complete the clean function below. It should find
 //    all words in a string using the regular expression
@@ -108,3 +112,5 @@
 // should be investigated by staff.
 
 */
+
+}