For proper home improvement, you need three things: First, a cleaned-up construction site. Second, the right tools. Third, beer in the fridge.
—My dad
When we started writing a small program from scratch, we did not worry much about organizing files. We simply collected everything in the same place, and that was fine. The MazeRun game started with a few Python files and a few images. But as the project grew, other files started accumulating. We already have seen various input and output files, tests, test data, configuration files, documentation, and of course more Python modules. How ...