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

Use the Python Interpreter to Run the Program Once the Python file is saved in Notepad, the programmer can run the Python program using the command line and interpreter.

Python code is enclosed in the script tag with a type="py" attribute. Note that the code should be formatted according to Python’s conventions for indentation, or it won’t run properly.