using System;

​

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Dictionary<string,int> dictObj= new Dictionary<string,int>()

        {

            ["first"] = 1,

            ["second"] = 2

        };

        Console.WriteLine(dictObj["first"]);

        Console.WriteLine(dictObj["second"]);

    }

}