



"""simple docstring"""

from __future__ import annotations

from dataclasses import dataclass




@dataclass
class        _UpperCAmelCase       :
 _lowerCAmelCase   :			float
 _lowerCAmelCase   :			TreeNode | None							=		None
 _lowerCAmelCase   :			TreeNode | None							=		None





def __lowercase			(							_a    ):

    # Validation
    def is_valid_tree(_a    ) -> bool:
        if node is None:
            return True

        if not isinstance(_a		,			_a    ):
            return False

        try:
            float(node.data    )
        except (TypeError, ValueError):
            return False

        return is_valid_tree(node.left    ) and is_valid_tree(node.right    )

    if not is_valid_tree(_a    ):
        raise ValueError(
            '''Each node should be type of TreeNode and data should be float.'''    )

    def is_binary_search_tree_recursive_check(
        _a		,			_a		,			_a    ) -> bool:

        if node is None:
            return True

        return (
            left_bound < node.data < right_bound
            and is_binary_search_tree_recursive_check(node.left		,			_a		,			node.data    )
            and is_binary_search_tree_recursive_check(
                node.right		,			node.data		,			_a    )
        )

    return is_binary_search_tree_recursive_check(_a		,			-float('''inf'''    )		,			float('''inf'''    )    )


if __name__ == "__main__":
     import doctest

     doctest.testmod()










"""simple docstring"""

import numpy as np




def __lowercase			(							_a    ):
    return (2 / (1 + np.exp(-2 * vector    ))) - 1


if __name__ == "__main__":
     import doctest

     doctest.testmod()





