using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        enumerateDict();

    }

    private static void enumerateDict(){

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

        testDict.Add("one", 1);

        testDict.Add("two", 2);

        testDict.Add("three", 3);

        testDict.ToList<KeyValuePair<string, int>>().ForEach(x => Console.WriteLine(x.Key));

    }

}