Algunos de ellos también ✨ [**sponsorean FastAPI**](../help-fastapi.md#sponsor-the-author){.internal-link target=_blank} ✨, esto asegura el **desarrollo** continuo y saludable de FastAPI y su **ecosistema**.

{* ../../docs_src/first_steps/tutorial003.py hl[7] *}

/// note | Nota

Si no sabes la diferencia, revisa la sección [Async: *"¿Tienes prisa?"*](../async.md#in-a-hurry){.internal-link target=_blank}.

///

### Paso 5: retorna el contenido

{* ../../docs_src/first_steps/tutorial001.py hl[8] *}

## Vista global

Primero, echemos un vistazo rápido a las partes que cambian desde los ejemplos en el **Tutorial - User Guide** principal para [OAuth2 con Password (y hashing), Bearer con tokens JWT](../../tutorial/security/oauth2-jwt.md){.internal-link target=_blank}. Ahora usando scopes de OAuth2:

{* ../../docs_src/security/tutorial005_an_py310.py hl[5,9,13,47,65,106,108:116,122:125,129:135,140,156] *}

Ahora revisemos esos cambios paso a paso.

////


Эта команда создаст или изменит некоторые [переменные окружения](environment-variables.md){.internal-link target=_blank}, которые будут доступны для последующих команд.

Одной из таких переменных является `PATH`.

/// tip | Подсказка

Вы можете узнать больше о переменной окружения `PATH` в разделе [Переменные окружения](environment-variables.md#path-environment-variable){.internal-link target=_blank}.

///

To distinguish from the models with all optional values for **updates** and models with required values for **creation**, you can use the ideas described in [Extra Models](extra-models.md){.internal-link target=_blank}.

E também existem vários modos de se conseguir ajuda.

## Inscreva-se na newsletter

Você pode se inscrever (pouco frequente) [**FastAPI e amigos** newsletter](newsletter.md){.internal-link target=_blank} para receber atualizações:

* Notícias sobre FastAPI e amigos 🚀
* Tutoriais 📝
* Recursos ✨
* Mudanças de última hora 🚨
* Truques e dicas ✅

## Siga o FastAPI no X (Twitter)

Release notes of older releases can be found in:
- [CHANGELOG-1.2.md](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.2.md)
- [CHANGELOG-1.3.md](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.3.md)
- [CHANGELOG-1.4.md](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.4.md)
- [CHANGELOG-1.5.md](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.5.md)

/// danger

Never store user's plaintext passwords. Always store a "secure hash" that you can then verify.

If you don't know, you will learn what a "password hash" is in the [security chapters](security/simple-oauth2.md#password-hashing){.internal-link target=_blank}.

///

## Multiple models { #multiple-models }

Here's a general idea of how the models could look like with their password fields and the places where they are used:

///

## Преимущества стандартизации, альтернативная документация

Поскольку сгенерированная схема соответствует стандарту <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.2.md" class="external-link" target="_blank">OpenAPI</a>, её можно использовать со множеством совместимых инструментов.

///

**FastAPI** is all based on Pydantic.

You will see a lot more of all this in practice in the [Tutorial - User Guide](tutorial/index.md){.internal-link target=_blank}.

/// tip