import yapi
api = yapi.YoutubeAPI('api_key')

video = get_video_info('video_id')

results = general_search('keyword', max_results=10)
videos = video_search('keyword', max_results=10, order=None)
videos = video_search_in_channel('keyword', 'channel_id', max_results=10, order=None)

channel = get_channel_by_name('channel_name')
channel = get_channel_by_id('channel_id')

playlist = get_playlist_by_id('playlist_id')
playlist = get_playlist_by_channel_id('channel_id')

playlistItems = get_playlist_items_by_playlist_id('playlist_id', max_results=20)

# Special
api_key = get_api_key()
bool = change_api_key('api_key')