code: def get_volume(self, datacenter_id, volume_id):
          
          response = self._perform_request(
              '/datacenters/%s/volumes/%s' % (datacenter_id, volume_id))
  
          return response
docs: Retrieves a single volume by ID.
  
          :param      datacenter_id: The unique ID of the data center.
          :type       datacenter_id: ``str``
  
          :param      volume_id: The unique ID of the volume.
          :type       volume_id: ``str``