Here are some free Python file viewer and Python file editor software to help you open PY files on Windows 11/10 PC.

For the operating system to understand that the file should be read as a Python program, the programmer needs to save the file as a Python file, with the ".py" extension.

Simply create a new .py file in the same folder as your main Python code. Then “import” that file as you now know how to do, then access the functions from within that module.

Case 1 – Jupyter notebook Python files: Open a .ipynb file or Jupyter Python interactive cell in VS Code. Use Copilot Agent Mode to issue a prompt like: “Add a docstring” “Refactor this function” ...

If you've read a fair amount of Python code, then you've probably seen this "__init__.py" file pop up quite a few times. It's especially common in larger Python projects. I'm going to breakdown ...