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Write a Python function maxLessThan(root, K) , that accepts the root node of the binary search tree and a number K and returns the maximum

Write a Python function maxLessThan(root, K), that accepts the root node of the binary search tree and a number K and returns the maximum number less than or equal to K in the tree. If K is the less than every number in the tree return None . Each node in the tree is an object of class Tree , and the tree will have at least one node.

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