1PREFIX = "spooky_"
 2INVALID_MESSAGE = "Booooo, only ghosts here!"
 3
 4class HauntedMansion:
 5        
 6    def __init__(self, **kwargs):
 7        for key, value in kwargs.items():
 8            setattr(self, key, value)
 9    
10    def __setattr__(self, name, value):
11        object.__setattr__(self, PREFIX + name, value)
12    
13    def __getattribute__(self, name):
14        try:
15            to_return = object.__getattribute__(self, name)
16        except:
17            return INVALID_MESSAGE
18        return to_return