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