Depending on what config data you need it might be a good idea to use environment variables. If all you need are server locations and credentials then environment variables are likely your best bet.

If you need fancy JSON or something else, global variables are nice.

Welp. This is me. I spent a few hours debugging a failing test that was caused by a package update. If only I checked the changelogs…

Open source contribution can be really great. I started contributing to a Python project that I have used extensively and it 100% improved my coding. It also can allow for you to interact with more experienced devs (depending on the project) and allows for you to get feedback.

I started using poetry on a research project and was blown away at how good it is. Next week I start a new job and I am hoping it is the standard.