Simplify is_bst.py (#10627)

* Simplify is_bst.py

* updating DIRECTORY.md

* Update is_bst.py

* Rename is_bst.py to is_sorted.py

* updating DIRECTORY.md

* Update data_structures/binary_tree/is_sorted.py

Co-authored-by: Tianyi Zheng <[email protected]>

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Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Tianyi Zheng <[email protected]>

Christian Clauss committed 2y ago

26ffad9d17232668d0630edb70167e5123a7f35c

Parent: 6987614

Committed by GitHub <[email protected]> on 10/19/2023, 5:31:51 PM