[YouTube-API] Youtube api playlist

I can't get my playlist using the code below. I have correct dev key
and credentials. Can someone help?
Here is my playlist
http://www.youtube.com/playlist?list=PL9C49D944A6D376B3

YouTubeRequestSettings settings = new
YouTubeRequestSettings("testing", devKey, "myusername", "mypassword");
YouTubeRequest request = new YouTubeRequest(settings);

Feed<Playlist> userPlaylists =
request.GetPlaylistsFeed("myusername");
foreach (Playlist p in userPlaylists.Entries)
{
Console.WriteLine("Title: " + p.Title);
Console.WriteLine(p.Summary);
Console.WriteLine("Number of entries: " +
p.CountHint);

Feed<PlayListMember> list = request.GetPlaylist(p);
foreach (Video v in list.Entries)
{
Console.WriteLine(v.Id);
Console.WriteLine(v.Summary);
Console.WriteLine(v.Title);
}
}

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