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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 handle(self, cycle_delay=0.1):
 """ Call this method to spend about ``cycle_delay`` seconds processing requests in the pcaspy server. Under load, for example when running ``caget`` at a high frequency, the actual time spent in the method may be much shorter. This effect is not corrected for. :param cycle_delay: Approximate time to be spent processing requests in pcaspy server. """

        if self._server is not None:
            self._server.process(cycle_delay)
            self._driver.process_pv_updates()