private static void DoubleLinkedListAddToFirst()
{
Console.WriteLine("Method Name : " + "DoubleLinkedListAddToFirst");
CustomDoublyLinkedList <int> CustomDoublyLinkedList = new CustomDoublyLinkedList <int>();
DoublyLinkedListNode <int> node1 = new DoublyLinkedListNode <int>(1);
Console.WriteLine("Entering the first node and printing");
CustomDoublyLinkedList.AddToFirst(node1);
CustomDoublyLinkedList.PrintLinkedList();
Console.WriteLine("Entering multiple Nodes and printing");
DoublyLinkedListNode <int> node2 = new DoublyLinkedListNode <int>(2);
CustomDoublyLinkedList.AddToFirst(node2);
DoublyLinkedListNode <int> node3 = new DoublyLinkedListNode <int>(3);
CustomDoublyLinkedList.AddToFirst(node3);
DoublyLinkedListNode <int> node4 = new DoublyLinkedListNode <int>(4);
CustomDoublyLinkedList.AddToFirst(node4);
CustomDoublyLinkedList.PrintLinkedList();
Console.WriteLine("No of item in he list is : " + CustomDoublyLinkedList.Count);
}
