static void Main(string[] args)
{
Console.WriteLine("Welcome to LinkList Data-Struture");
LinkedList list = new LinkedList();
list.Add1(56);
list.Add1(30);
list.Add1(70);
list.Display();
list = new LinkedList();
list.Add2(70);
list.Add2(30);
list.Add2(56);
list.Display();
list = new LinkedList();
list.Add1(56);
list.Add1(70);
list.InsertAtParticularPosition(2, 30);
list.Display();
Console.WriteLine("Delete Firsr element of the Linked List- " + list.RemoveFirstNode().data);
list.Display();
list.InsertAtParticularPosition(1, 56);
list.Display();
Console.WriteLine("Delete last element of the Linked List- " + list.RemoveLastNode().data);
list.Display();
}