Updated Linked List and updated

C#/Program.cs

@@ -1,16 +1,17 @@
 using System;
 using C_.Datastructures;
+using C_.Datastructures.Nodes;
 
 // See https://aka.ms/new-console-template for more information
 Console.WriteLine("Hello, World!");
 
-LinkedList<int> list = new LinkedList<int>();
+LinkedList<int> list = new();
 
 list.Append(1);
 list.Append(2);
 list.Append(3);
 
-LinkedList<int> list2 = new LinkedList<int>();
+LinkedList<int> list2 = new();
 
 list2.Append(1);
 list2.Append(2);
@@ -19,7 +20,7 @@ list2.Append(3);
 
 LinkedList<int> list3 = LinkedList<int>.Create(list, list2);
 
-int x = list3[5] = 5;
 list3.Insert(4, 1);
 list3.Delete(0);
+list3.Head = LinkedListNode<int>.Create(5, null);
 Console.ReadLine();