<li>the index <code>x</code> is <i>in range</i> if <code>0 &lt;= x &lt; len(a)</code>,
	    otherwise it is <i>out of range</i></li>
</ul>

<p>
For <code>a</code> of <a href="#Array_types">array type</a> <code>A</code>:
</p>
<ul>
	<li>a <a href="#Constants">constant</a> index must be in range</li>
	<li>if <code>x</code> is out of range at run time,

## 0.38.0

* Add recent articles to [External Links](https://fastapi.tiangolo.com/external-links/) and recent opinions. PR [#490](https://github.com/tiangolo/fastapi/pull/490).
* Upgrade support range for Starlette to include `0.12.8`. The new range is `>=0.11.1,<=0.12.8"`. PR [#477](https://github.com/tiangolo/fastapi/pull/477) by [@dmontagu](https://github.com/dmontagu).