using System;

public class Program

{

    public static void Main()

    {

        //Function delegate method, need at least oen return value

        Func<int> message1 = ()=> 10;

        Console.WriteLine("Calling Func with no input but int as return " + message1());        

        //Using Action which takes only input parameters and does not have any return value

        Action<int> message= (number) =>  Console.WriteLine("Calling Action with one number parameter "+ number);

        message(20);

        Action message3= () =>  Console.WriteLine("Action method with no input");

        message3();

    }

}