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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 description(self, force_refresh=False):
 """Call ``DescribeHyperParameterTuningJob`` for the hyperparameter tuning job. Args: force_refresh (bool):
 Set to True to fetch the latest data from SageMaker API. Returns: dict: The Amazon SageMaker response for ``DescribeHyperParameterTuningJob``. """

        if force_refresh:
            self.clear_cache()
        if not self._tuning_job_describe_result:
            self._tuning_job_describe_result = self._sage_client.describe_hyper_parameter_tuning_job(
                HyperParameterTuningJobName=self.name
            )
        return self._tuning_job_describe_result