def separate_artists_list_by_comparing_with_another(
    another_artists_list, compared_artist_list
):

    """
    Input: Two list of artists_id
    Return two lists containing:
    - Every artist in compared_artist_list that are in another_artists_list
    - Every artist in compared_artist_list that are not in another_artists_list
    """

    is_in_artist_list = []
    is_not_in_artist_list = []

    for artist in compared_artist_list:
        if artist in another_artists_list:
            is_in_artist_list.append(artist)
        else:
            is_not_in_artist_list.append(artist)
    return is_in_artist_list, is_not_in_artist_list