def __contains__(self, value: Any) -> bool:
"""
Returns True if the item is in the tree; False otherwise.
def __contains__(self, value: Any) -> bool:
"""
Returns True if the item is in the tree; False otherwise.
depth_right = self._depth(node.right, sofar + 1)
return max(depth_left, depth_right)
depth_right = self._depth(node.right, sofar + 1)
return max(depth_left, depth_right)