Includes scripts investigating OSX systems.
Create a new folder, add a small README.md saying what it does or why.
Create a requirements.txt with whatever python libraries your code needs.
If you add a new 3rd-party import, update the requirements.txt in the same folder.
Create a local branch with a unique name:
git checkout -b myChange
Stage and commit your changes:
git add -ip
git commit -m "Some small message here"
Push your branch to the remote:
git push --set-upstream origin myChange
Create a pull request.
Get someone to review and approve it.
Merge it.