using System;

using System.Linq;

using System.IO;

​

public class Program

{

    public static void Main()

    {

        var test = "My Test String";

        var test2 = "1234";

        Console.WriteLine($"{test} {test2}");

        var format = "F2";

        var value = 25.3334;

        Console.WriteLine($"Raw Value: {value.ToString()}");

        Console.WriteLine($"Inline Format Specifier Attempt: {value}:{format}");

        Console.WriteLine($"Hard-Coded Format: {value:F2}");

        Console.WriteLine("String Format x2: " + String.Format(String.Format("{{0:{0}}}", format), value));

        Console.WriteLine("String Format: " + string.Format($"{{0:{format}}}", value));

    }

}