using System;

using System.Collections.Generic;

using System.Linq;                  

​

public class Program

{

    public static void Main()

    {

        List<string> test = new List<string>();

        test.Add("Martha Eggert");

        test.Add("Sebastian Köhler");

        test.Add("Thomas Mildner");

        Console.WriteLine(test.Aggregate("",(current, t) => ((current == "") ? "" : current + Environment.NewLine) + t.Trim()));

        Console.WriteLine("------------------------------");

        Console.WriteLine(string.Join(Environment.NewLine, test));

    }

}