def is_gcs(path):
    """
    Check if path is to a google cloud storage directory or a local one. Determined from the presence of 'gs'
    at the beginning of the path.

    Arguments:
        path (str): path to assess

    Returns:
         bool: True if path is on gcs and False if local
    """
    if path[:2] == "gs":
        return True
    else:
        return False