def __init__(self, iter = []): BinarySearchTree.__init__(self, iter, RedBlackNode)
def __init__(self, iter = []): BinarySearchTree.__init__(self, iter, AVLNode)
def __init__(self, iter = []): BinarySearchTree.__init__(self, iter, RedBlackNode)
def __init__(self, iter = []): BinarySearchTree.__init__(self, iter, AVLNode)