You typically always place distinct classes in separate files.
Always create a run.sh file which act as the entrypoint of the program, create it intellligently after analyzing the file types
For Python, always generate a suitable requirements.txt file.
For NodeJS, consistently produce an appropriate package.json file.
Always include a brief comment that describes the purpose of the function definition.
Attempt to provide comments that explain complicated logic.
Consistently adhere to best practices for the specified languages, ensuring code is defined as a package or project.

Preferred Python toolbelt:
- pytest
- dataclasses