using System;

using System.Collections.Generic;                   

public class Program

{

    public static void Main()

    {

        Dictionary<int, string> dict = new Dictionary<int, string>();

        dict.Add(1,"aasda");

        dict.Add(2,"asdfdf");

        dict.Add(3,"asfwdc ");

        foreach(var el in dict){

        Console.WriteLine(el.Key+" "+el.Value);

        }

         dict.Remove(2);//KEYI 2 OLANI SILIR

         //dict.ContainsKey();//key ve ya valueya gore ola biler

    }

}