using System;
using System.Collections.Generic;

public class DictionaryExample
{
    public static void Main(string[] args)
    {
        Dictionary names = new Dictionary();
        names.Add("1","Sonoo");
        names.Add("2","Peter");
        names.Add("3","James");
        names.Add("4","Ratan");
        names.Add("5","Irfan");

        foreach (KeyValuePair kv in names)
        {
            Console.WriteLine(kv.Key+" "+kv.Value);
        }
    }
}

1 Sonoo
2 Peter
3 James
4 Ratan
5 Irfan