import json


def extract_genres(genres_str):
    """Extracts the genres in string form as a list of genres
    
    Arguments:
        genres_str {string} -- string containing the genres
    
    Returns:
        list -- the extracted genres
    """
    genres_str = genres_str.replace("'", '\"')
    genres_json = json.loads(genres_str)
    genres_list = []
    for elem in genres_json:
        genres_list.append(elem['name'])
    return genres_list