def alert_brady_tachy(tenmin_log):
    """ bradycardia/tachycardia alert

    :param tenmin_log: log containing up to last 60 values of past 10 seconds
     of HR data
    :return tenmin_log_vals: ten minute log in the form of a list
    """

    tenmin_log_vals = list(tenmin_log)

    return tenmin_log_vals