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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 _makeJobGraphs(self, jobGraph, jobStore):
 """ Creates a jobGraph for each job in the job graph, recursively. """

        jobsToJobGraphs = {self:jobGraph}
        for successors in (self._followOns, self._children):
            jobs = [successor._makeJobGraphs2(jobStore, jobsToJobGraphs) for successor in successors]
            jobGraph.stack.append(jobs)
        return jobsToJobGraphs