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