(self, xdummy=None, ydummy=None)
Set focus on TurtleScreen (in order to collect key-events)

        No arguments.
        Dummy arguments are provided in order
        to be able to pass listen to the onclick method.

        Example (for a TurtleScreen instance named screen):
        >>> screen.listen()
Set focus on TurtleScreen (in order to collect key-events)
Set focus on TurtleScreen ( in order to collect key - events )
def listen(self, xdummy=None, ydummy=None):
        """Set focus on TurtleScreen (in order to collect key-events)

        No arguments.
        Dummy arguments are provided in order
        to be able to pass listen to the onclick method.

        Example (for a TurtleScreen instance named screen):
        >>> screen.listen()
        """
        self._listen()
def listen ( self , xdummy = None , ydummy = None ) : self . _listen ( )