* The black formatter is no longer beta
* pre-commit autoupdate
* pre-commit autoupdate
* Remove project_euler/problem_145 which is killing our CI tests
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* Add project euler problem 50
* Apply format changes
* Descriptive function/parameter name and type hints
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>