class basebase(object):
        __stuff__ = { "lama1": "" }

        def __init__(self):
                super(basebase, self).__init__()
                self.__stuff__ .update(basebase.__stuff__)

class base(basebase):
        __stuff__ = { "lama2": "" }

        def __init__(self):
                super(base, self).__init__()
                self.__stuff__ .update(base.__stuff__)

class lama(base):
        __stuff__ = { "lama3": "" }
        

x = lama()

print x.__stuff__