code: def disconnect_devices(self, service_uuids):
          
          # Get list of connected devices with specified services.
          cbuuids = map(uuid_to_cbuuid, service_uuids)
          for device in self._central_manager.retrieveConnectedPeripheralsWithServices_(cbuuids):
              self._central_manager.cancelPeripheralConnection_(device)
docs: Disconnect any connected devices that have any of the specified
          service UUIDs.