# Fastcore > ## Pages - [Basic functionality](basicshtml.md): ------------------------------------------------------------------------ - [Docments](docmentshtml.md): [`docments`](https://fastcore.fast.ai/docments.html#docments) provides - [fastcore: An Underrated Python Library](fastcore-an-underrated-python-library.md): A unique python library that extends the python programming language and provides utilities that enhance productivity. - [Foundation](foundationhtml.md): ------------------------------------------------------------------------ - [Meta](metahtml.md): from fastcore.foundation import * - [Network functionality](nethtml.md): from fastcore.test import * - [Parallel](parallelhtml.md): from fastcore.test import * - [Script - CLI](scripthtml.md): Part of [fast.ai](https://www.fast.ai)’s toolkit for delightful - [Test](testhtml.md): We can check that code raises an exception when that’s expected - [A tour of fastcore](tourhtml.md): Here’s a (somewhat) quick tour of a few higlights from fastcore. - [XDG](xdghtml.md): See the [XDG Base Directory - [XML](xmlhtml.md): from IPython.display import Markdown - [Utility functions](xtrashtml.md): Utilities (other than extensions to Pathlib.Path) for dealing with IO.