* pre-commit autoupdate: pyupgrade v2.34.0 -> v2.37.0

* pre-commit run --all-files

* Added the matrix_exponentiation.py file in maths directory

* Implemented the requested changes

* Update matrix_exponentiation.py

* resolve merge conflict with upstream branch

* add new line at end of file

* add wavelet_tree

* fix isort issue

* updating DIRECTORY.md

* fix variable names in wavelet_tree and correct typo

* Add type hints and variable renaming

* Update data_structures/binary_tree/wavelet_tree.py

Add doctests to placate the algorithm-bot, thanks to @cclauss.

Co-authored-by: Christian Clauss <cclauss@me.com>

* Move doctest to individual functions and reformat code

* Move common test array to the global scope and reuse in tests

* MMove test array to global scope and minor linting changes

* Correct the failing pytest tests

* MUse built-in list for type annotation

* Update wavelet_tree.py

* types-requests

* updating DIRECTORY.md

* Update wavelet_tree.py

* # type: ignore

* # type: ignore

* Update decrypt_caesar_with_chi_squared.py

* ,

* Update decrypt_caesar_with_chi_squared.py

Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Aniruddha Bhattacharjee <aniruddha@Aniruddhas-MacBook-Air.local>

* hash project euler solutions

* fix errors

* Return missing annotation

* Fix typo

* Extract variable to shorten excessively long line

* Update scripts/validate_solutions.py

* Update scripts/validate_solutions.py

* Simplify with str.encode()

* PEP 585: type hinting generics in standard collections;

* str().encode()

* Texas two step to placate black, flake8, mypy

Co-authored-by: Andrii Siriak <siryaka@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

* Update validate solution script to fetch only submitted solution
* Update workflow file with the updated PE script
* Fix: do not fetch `validate_solutions.py` script
* Update script to use the requests package for API calls
* Fix: install requests module
* Pytest ignore scripts/ directory

* Move PE validate_solutions to scripts/ directory

* Update pytest.ini file with durations settings

* Remove codespell and autoblack workflow file

* Dependent changes to test config files

* Update pytest.ini

* Fix imports as they're namespace packages

* Fix import for scripts/validate_filenames.py

* Fix path in doctest

* hyphen_files = [file for file in filepaths if "-" in file]

* updating DIRECTORY.md

* Rename recursive-quick-sort.py to recursive_quick_sort.py

* updating DIRECTORY.md

* Rename aho-corasick.py to aho_corasick.py

* updating DIRECTORY.md

* Rename polynom-for-points.py to polynom_for_points.py

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

* updating DIRECTORY.md

* isort --profile black .

* Black after

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Propagate argument `top_dir` to good_file_paths.
Previously this argument did not get passed to the helper function when calling print_directory_md.

* spelling corrections

* review

* improved documentation, removed redundant variables, added testing

* added type hint

* camel case to snake case

* spelling fix

* review

* python --> Python # it is a brand name, not a snake

* explicit cast to int

* spaces in int list

* "!= None" to "is not None"

* Update comb_sort.py

* various spelling corrections in documentation & several variables naming conventions fix

* + char in file name

* import dependency - bug fix

Co-authored-by: John Law <johnlaw.po@gmail.com>

* Create greedy.py

* Update greedy.py

* Add a doctest and format with black

* Update build_directory_md.py

* Update DIRECTORY

* Updated DIRECTORY

* Fixed bug in directory build and re-build the directory.md

* fixed url issue

* fixed indentation in Directory.md

* Rewrite build_directory_md.py

* Regenerate DIRECTORY.md

* Added print function into matrix_multiplication_addition.py and removed blank space in data_structures/binary tree directory

* Removed .vs/ folder per #893

* Rename matrix_multiplication_addition.py to matrix_operation.py

* Moved and renamed ~script.py to scripts/build_directory_md.py
Updated DIRECTORY.MD file

* Modified .travis.yml per suggestion in #1013

* Fixed typo per suggestions in #1013