Create sol2.py (#1876)

* Create sol2.py

* updating DIRECTORY.md

* Update DIRECTORY.md

* updating DIRECTORY.md

* Update sol2.py

* Update DIRECTORY.md

* updating DIRECTORY.md

* Improve docstrings

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: vinayak <itssvinayak@gmail.com>
Co-authored-by: John Law <johnlaw@linux.com>

Sanders Lin committed 6y ago

1e84aabaeaeba3c23e1ed194850ad0f33a7a1d4a

Parent: 540023e

Committed by GitHub <noreply@github.com> on 5/5/2020, 3:27:18 PM