* pre-commit autoupdate: pyupgrade v2.34.0 -> v2.37.0 * pre-commit run --all-files
* [mypy] Fix type annotation in euler_method.py In line with issue #4052. * updating DIRECTORY.md Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* reupload * Rename explicit_euler.py to euler_method.py * Delete file