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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 show(self, job_id, return_dict=False):
 """ Describe the job. :param job_id: """

        rtn = self.execute_command('SHOW', job_id)

        if return_dict:
            grouped = self._grouper(rtn, 2)
            rtn = dict((a, b) for a, b in grouped)

        return rtn