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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def process_tessellate(elem, update_delta, delta, **kwargs):
 """ Tessellates surfaces. .. note:: Helper function required for ``multiprocessing`` :param elem: surface :type elem: abstract.Surface :param update_delta: flag to control evaluation delta updates :type update_delta: bool :param delta: evaluation delta :type delta: list, tuple :return: updated surface :rtype: abstract.Surface """

    if update_delta:
        elem.delta = delta
        elem.evaluate()
    elem.tessellate(**kwargs)
    return elem