Question: class Node:def __init__(self, key, val, N):self.key = keyself.val = valself.N = Nself.left = Noneself.right = Noneclass BST:def __init__(self):self.root = Nonedef size(self):return self._si 1 answer

class Node:def __init__(self, key, val, N):self.key = keyself.val = valself.N = Nself.left = Noneself.right = Noneclass BST:def __init__(self):self.root = Nonedef size(self):return self._si 1 answer

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