old_contents: def frozen(princess):
    return princess
    
  def get_upload_list(youtube, channelId):
    """Retrieve the contentDetails part of the channel resource for the
       authenticated user's channel."""
    channels_response = youtube.channels().list(
      #id=AUTH_USER_CHANNEL_ID,
      id=channelId,
      part="contentDetails"
    ).execute()
    
    return channels_response["items"]
new_contents: def frozen(princess):
    return princess
    
  def get_upload_list(youtube, channelId):
    """Retrieve the contentDetails part of the channel resource for the
       authenticated user's channel."""
    channels_response = youtube.channels().list(
      #id=AUTH_USER_CHANNEL_ID,
      id=channelId,
      part="contentDetails"
    ).execute()
    
    for channel in channels_reponse["items"]:
    
  	video_list_uploads = []
  	"""From the API response, extract the playlist ID that identifies the list
  	   of videos uploaded to the authenticated user's channel."""
  	try:
  	  uploads_list_Id = channel["contentDetails"]["relatedPlaylists"]["uploads"]
  	except KeyError:
  	  pass
  
  	try:
  	  """Retrieve the list of videos uploaded to the authenticated user's channel."""
  	  playlistitems_list_request = youtube.playlistItems().list(
  		playlistId=uploads_list_Id,
  		part="snippet",
  		maxResults=50
  	  )
  	except NameError:
  	  pass
  
  	try:
  	  while playlistitems_list_request:
  		try:
  		  playlistitems_list_response = playlistitems_list_request.execute()
  		except HttpError:
  		  pass
  		for playlist_item in playlistitems_list_response["items"]:
  		  video_id = playlist_item["snippet"]["resourceId"]["videoId"]
  		  video_list_uploads.append(video_id)
  		
  		  # Returns the title of the video, if needed
  		  # title = playlist_item["snippet"]["title"]
  		  # Prints the title and videoId for testing, if needed
  		  # print "%s (%s)" % (title, video_id)
  		try:
  		  playlistitems_list_request = youtube.playlistItems().list_next(
  			playlistitems_list_request, 
  			playlistitems_list_response
  		  )
  		except HttpError:
  		  pass
  	except NameError:
  	  pass
  
  	return video_list_uploads
  
subject: add to get_upload_list function