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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(self, dataset_name):
 """ Fetch a single Cached Dataset for a Project. Read key must be set. :param dataset_name: Name of Cached Dataset (not `display_name`) """

        url = "{0}/{1}".format(self._cached_datasets_url, dataset_name)
        return self._get_json(HTTPMethods.GET, url, self._get_read_key())