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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 is_instance_throughput_too_low(self, inst_id):
 """ Return whether the throughput of the master instance is greater than the acceptable threshold """

        r = self.instance_throughput_ratio(inst_id)
        if r is None:
            logger.debug("{} instance {} throughput is not "
                         "measurable.".format(self, inst_id))
            return None
        too_low = r < self.Delta
        if too_low:
            logger.display("{}{} instance {} throughput ratio {} is lower than Delta {}.".
                           format(MONITORING_PREFIX, self, inst_id, r, self.Delta))
        else:
            logger.trace("{} instance {} throughput ratio {} is acceptable.".
                         format(self, inst_id, r))
        return too_low