# Concurrence et les mots-clés async et await

Cette page vise à fournir des détails sur la syntaxe `async def` pour les *fonctions de chemins* et quelques rappels sur le code asynchrone, la concurrence et le parallélisme.

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<abbr title="'too long; didn't read' en anglais, ou 'trop long ; j'ai pas lu'"><strong>TL;DR :</strong></abbr>

Si vous utilisez des bibliothèques tierces qui nécessitent d'être appelées avec `await`, telles que :

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You can read more at the end of this page.

///

## `Field` additional arguments

When using `Field()` with Pydantic models, you can also declare additional `examples`:

//// tab | Python 3.10+

```Python hl_lines="2  8-11"

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   Copyright {yyyy} {name of copyright owner}

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      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
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   Copyright {yyyy} {name of copyright owner}

   Licensed under the Apache License, Version 2.0 (the "License");

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      file or class name and description of purpose be included on the
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   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

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