<a href="#Length_and_capacity"><code>len</code></a>; unlike with arrays it may change during
execution.  The elements can be addressed by integer <a href="#Index_expressions">indices</a>
0 through <code>len(s)-1</code>.  The slice index of a
given element may be less than the index of the same element in the
underlying array.
</p>
<p>
A slice, once initialized, is always associated with an underlying

* 🌐 Add Portuguese translations for `learn/index.md` `resources/index.md` `help/index.md` `about/index.md`. PR [#10807](https://github.com/tiangolo/fastapi/pull/10807) by [@nazarepiedady](https://github.com/nazarepiedady).
* 🌐 Update Russian translations for deployments docs. PR [#11271](https://github.com/tiangolo/fastapi/pull/11271) by [@Lufa1u](https://github.com/Lufa1u).