# `object`

Both the root [type of all Python objects][docs-everything-is-an-object] and a [function that returns a featureless object][docs-object-as-function]. Rarely used directly, but useful when you need a _sentinel_ value in a collection that might legitimately contain [`None`][none].

[docs-everything-is-an-object]: https://docs.python.org/3/reference/datamodel.html
[docs-object-as-function]: https://docs.python.org/3/library/functions.html#object
