This function gets the arguments from a job
    :param job: job dictionary
    :return: input tuple, optional tuple

def get_args(job):
    """
    This function gets the arguments from a job
    :param job: job dictionary
    :return: input tuple, optional tuple
    """
    return tuple(_get_args_loop(job, INPUT_FIELD)), \
        tuple(_get_args_loop(job, OPTIONAL_FIELD))