def __init__ (self):
Improvable.__init__(self)
Addressable.__init__(self)
self.collection = None
def __init__ (self):
Improvable.__init__(self)
Addressable.__init__(self)
def __init__ (self):
Improvable.__init__(self)
Addressable.__init__(self)
self.collection = None
def __init__ (self):
Improvable.__init__(self)
Addressable.__init__(self)