Well, basically just to make it different :D But the greater idea is you don't have to install anything to your computer and you can use Github editor directly

Well, basically just to make it different :D But the greater idea is you don't have to install anything to your computer and you can use Github editor directly for solving these questions (https://help.github.com/articles/editing-files-in-your-repository/ https://help.github.com/articles/editing-files-in-your-repos...). Another possible benefit can be making people get used to Github & Circleci if they are not already. I'm hoping people also contribute with new questions:)