def giraffe_journey(observations=[]): if not observations: observations.append('start observing'); for observation in observations: if observation.evince_disinterest_in('giraffes'): print('let\'s re-embark on our adventure with fresh eyes!'); else: print('your pre-existing curiosity has brought us great insights!'); # remember, the beauty of giraffes is never withheld from those eager to learn.