using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var mydict = new Dictionary<int,string>() {

            {1, "one"},

            {2, "two"},

            {3, "three"},

        };

        var newCloneList = mydict.Values.Select(p => p.Clone()).ToList();

        var newList = mydict.Values.ToList();

​

        mydict[1] = mydict[1] + "_new";

        mydict[2] = mydict[2] + "_new";

        mydict[3] = mydict[3] + "_new";

        foreach( var i in mydict) {

            Console.WriteLine(i.Value);

        }

​

​

        foreach( var clone in newCloneList) {

            Console.WriteLine(clone);

        }

​

        foreach( var item in newList) {

            Console.WriteLine(item);

        }

​

    }

}