using System;

public class A

{

​

    public void fun1()

    {

       void fun2()

        {

            Console.WriteLine("hi");

        }

        Console.WriteLine("hellp");

    }

}

public class MainClas 

{

    public static void Main()

    {

        A m= new A();

        m.fun1();

        m.fun2();

    }

}

​