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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 descriptions(cls):
 """ Retrieve status descriptions from status.gandi.net. """

        schema = cls.json_get('%s/status/schema' % cls.api_url, empty_key=True,
                              send_key=False)
        descs = {}
        for val in schema['fields']['status']['value']:
            descs.update(val)
        return descs