As stated previously, software documentation may have varied readership. Accessing documentation directly from project source code is often natural to users that are programmers developing a given project. But this way of accessing project documentation may not be the most convenient for others. Also, some companies may have requirements to deliver documentation to their clients in a printable form.
This is why documentation generation tools are so important. They allow you to benefit from documentation being treated as code while still maintaining the ability to have a deliverable document that can be browsed, searched, and read without access to the original source code. The Python ecosystem comes with a variety of amazing open source tools that allow you to generate project documentation directly from your source code. The two most popular tools in the Python community for generating user-friendly documentations are Sphinx and MkDocs. We will discuss them briefly in the following sections.