using System;

public class Program

{

    public static void Main()

    {

        var smthing = "something";

        Console.WriteLine(smthing.ConvertToTitle());

    }

}

​

//Extension Method should be defined in a static class with a static method and use a this keyword against the type

public static class ExtensionMeth

{

    public static string ConvertToTitle(this string input)

    {

        return "HEHEHHE... We fooled you, we don't convert";

    }

}