adding small comment about Clear for dictionary.

Clément · Clément · commit 9ae003da31ae · 2025-11-06T20:32:11.000-05:00
diff --git a/source/code/projects/Dictionary_chaining/Dictionary/Dictionary.cs b/source/code/projects/Dictionary_chaining/Dictionary/Dictionary.cs
@@ -138,6 +138,5 @@ public bool IsEmpty()
             }
         }
         return empty;
-
     }
 }
diff --git a/source/lectures/data/dictionary.md b/source/lectures/data/dictionary.md
@@ -248,3 +248,5 @@ This method
 ```{download="./code/projects/Dictionary_chaining.zip"}
 !include code/projects/Dictionary_chaining/Dictionary/Dictionary.cs
 ```
+
+Note that lists are re-used when `Clear` is called, instead of being set to `null`.
