* Added solution for Project Euler problem 109
* New subscriptable builtin types
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
* Added solution for Project Euler problem 109
* New subscriptable builtin types
* updating DIRECTORY.md
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>