def __init__(self, d):
LinkedListNode.__init__(self, d)
self.__prev = None
def __init__(self,d):
LinkedListNode.__init__(self, d)
self.__prev = None
def __init__(self, d):
LinkedListNode.__init__(self, d)
self.__prev = None
def __init__(self,d):
LinkedListNode.__init__(self, d)
self.__prev = None
