Any changes or new questions even without an answer can be a great help! Please do not hesitate to create any new PR, as we do not have a strict requirements for that matter.
You can create a PR to your liking and add any improvements, so we can quickly merge it.
After your PR is merged, you will be automatically become a contributor and will be appeared in the Readme.md as the contributor.
Add explanation (
or reference link) to your answers. That will help anyone to better learn concepts they might not have a great understanding about.