def METHOD_NAME(webpage):
    entries = []
    for element in re.findall(r'(<div[^>]+data-mychannels-type="video"[^>]*>)', webpage):
        mychannels_id = extract_attributes(element).get('data-mychannels-id')
        if mychannels_id:
            entries.append('https://mychannels.video/embed/' + mychannels_id)
    return entries