1class HauntedMansion:
 2    def __init__(self, **kwargs):
 3        for key, value in kwargs.items():
 4            setattr(self, key, value)
 5
 6    def __getattr__(self, name):
 7        return "Booooo, only ghosts here!"
 8
 9    def __setattr__(self, name, value):
10        object.__setattr__(self, f"spooky_{name}", value)