def screen(self):
        """Turn stderr/stdout logging on or off.

        If you set this to True, it'll add the appropriate StreamHandler
        for you. If you set it to False, it will remove the handler.
        """
        h = self._get_builtin_handler
        has_h = h(self.error_log, 'screen') or h(self.access_log, 'screen')
        return bool(has_h)
Turn stderr/stdout logging on or off.

        If you set this to True, it'll add the appropriate StreamHandler
        for you. If you set it to False, it will remove the handler.
        
cherrypy/_cplogging.py