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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 disconnect(self):
 """Disconnect the dongle from this SK8. Simply closes the active BLE connection to the device represented by the current instance. Returns: bool. True if connection was closed, False if not (e.g. if already closed). """

        result = False
        logger.debug('SK8.disconnect({})'.format(self.conn_handle))
        if self.conn_handle >= 0:
            logger.debug('Calling dongle disconnect')
            result = self.dongle._disconnect(self.conn_handle)
            self.conn_handle = -1
            self.packets = 0

        return result