Python

class AttrDict(object):    def __init__(self, i=None):        if i:            self.__dict__.update(i)    __contains__ = lambda self, *args: self.__dict__.__contains__(*args)    __getitem__ = lambda self, *args: self.__dict__.__getitem__(*args)    __setitem__ = lambda self, *args: self.__dict__.__setitem__(*args)    __delitem__ = lambda self, *args: self.__dict__.__delitem__(*args)    __len__ = lambda self, *args: self.__dict__.__len__(*args)    __str__ = lambda self, *args: self.__dict__.__str__(*args)