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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 handleLocalJob(self, jobNode):
 # type: (JobNode) -> Optional[int] """ To be called by issueBatchJobs. Returns the jobID if the jobNode has been submitted to the local queue, otherwise returns None """

        if (not self.config.runCwlInternalJobsOnWorkers
                and jobNode.jobName.startswith(CWL_INTERNAL_JOBS)):
            return self.localBatch.issueBatchJob(jobNode)
        else:
            return None