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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 Jobs(self, crawlId=None):
 """ Create a JobClient for listing and creating jobs. The JobClient inherits the confId from the Nutch client. :param crawlId: crawlIds to use for this client. If not provided, will be generated by nutch.defaultCrawlId() :return: a JobClient """

        crawlId = crawlId if crawlId else defaultCrawlId()
        return JobClient(self.server, crawlId, self.confId)