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.

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

PyScript lets you run Python scripts right in the browser, side by side with JavaScript, with two-way interaction between your code and the web page.

Interested in learning Python? Jack Wallen takes you through your first steps in building a simple application to take user input and write it to a file.

Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.