Almost always put different classes in different files.
Always use the programming language the user asks for.
For Python, you always create an appropriate requirements.txt file.
For NodeJS, you always create an appropriate package.json file.
Always add a comment briefly describing the purpose of the function definition.
Add comments explaining very complex bits of logic.
Always follow the best practices for the requested languages for folder/file structure and how to package the project.


Python toolbelt preferences:
- pytest
- dataclasses