[REFACTOR] File may only contain a single type. (SA1402)

Author: Gonzalo Diaz

src/algorithm_exercises_csharp/hackerrank/interview_preparation_kit/linked_list/lib/LinkedListPrinter.cs

@@ -0,0 +1,23 @@
+namespace algorithm_exercises_csharp.hackerrank.interview_preparation_kit.linked_list.lib;
+
+public static class LinkedListPrinter
+{
+  public static void printSinglyLinkedList<T>(LinkedList<T>.Node? node, string sep, TextWriter textWriter)
+  {
+    var pointTo = node;
+
+    while (pointTo != null)
+    {
+      ArgumentNullException.ThrowIfNull(textWriter);
+
+      textWriter.Write(pointTo.data);
+
+      pointTo = pointTo.next;
+
+      if (pointTo != null)
+      {
+        textWriter.Write(sep);
+      }
+    }
+  }
+}

src/algorithm_exercises_csharp/hackerrank/interview_preparation_kit/linked_list/lib/Node.cs

@@ -1,27 +1,5 @@
 namespace algorithm_exercises_csharp.hackerrank.interview_preparation_kit.linked_list.lib;
 
-public static class LinkedListPrinter
-{
-  public static void printSinglyLinkedList<T>(LinkedList<T>.Node? node, string sep, TextWriter textWriter)
-  {
-    var pointTo = node;
-
-    while (pointTo != null)
-    {
-      ArgumentNullException.ThrowIfNull(textWriter);
-
-      textWriter.Write(pointTo.data);
-
-      pointTo = pointTo.next;
-
-      if (pointTo != null)
-      {
-        textWriter.Write(sep);
-      }
-    }
-  }
-}
-
 public static class LinkedList<T>
 {
   public class Node(T nodeData)