def addBehavior(self, behavior_name, behavior_id, starting_frame, ending_frame, shapes=None):
    self.behaviors.append((behavior_name, behavior_id, starting_frame, ending_frame, shapes))
def addBehavior(self, behavior_name, behavior_id, starting_frame, ending_frame, shapes=None):
    self.behaviors.append((behavior_name, behavior_id, starting_frame, ending_frame, shapes))