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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 inspect_config(self, id):
 """ Retrieve config metadata Args: id (string):
 Full ID of the config to inspect Returns (dict):
 A dictionary of metadata Raises: :py:class:`docker.errors.NotFound` if no config with that ID exists """

        url = self._url('/configs/{0}', id)
        return self._result(self._get(url), True)