def get_speakers(video):
    """Return list of speakers"""
    if ' | ' in video['title']:
        speakers = video['title'].split(' | ')[0]
        return [s.strip() for s in speakers.split(',')]
    elif ' - ' in video['title']:
        speakers = video['title'].split(' - ')[0]
        return [s.strip() for s in speakers.split(',')]
    else:
        return ['']