def playlists
      return @playlists if @playlists
      results = @client.request('userGetPlaylists', userID: @id)
      @playlists = results['playlists'].map do |list|
        Playlist.new(@client, list, @id)
      end
    end
def playlists
      return @playlists if @playlists
      results = @client.request('userGetPlaylists', userID: @id)
      @playlists = results['playlists'].map do |list|
        Playlist.new(@client, list, @id)
      end
    end
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 User Playlists
 --------------------------------------------------------------------------
 Fetch user playlists