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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 get_next_rngruns(self):
 """ Yield the next RngRun values that can be used in this campaign. """

        available_runs = [result['params']['RngRun'] for result in
                          self.get_results()]
        yield from DatabaseManager.get_next_values(available_runs)