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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 _parameterize(self, config, parameters):
 """ Parameterized configuration template given as string with dynamic parameters. :param config: a string with configuration template to be parameterized :param parameters: dynamic parameters to inject into the template :return: a parameterized configuration string. """

        parameters = self._parameters.override(parameters)
        return pystache.render(config, parameters)