Isso também significa que em muitos casos você poderá passar o mesmo objeto que você receber de uma requisição **diretamente para o banco de dados**, já que tudo é validado automaticamente.

/**
 * A collection that supports order-independent equality, like {@link Set}, but may have duplicate
 * elements. A multiset is also sometimes called a <i>bag</i>.
 *
 * <p>Elements of a multiset that are equal to one another are referred to as <i>occurrences</i> of
 * the same single element. The total number of occurrences of an element in a multiset is called
 * the <i>count</i> of that element (the terms "frequency" and "multiplicity" are equivalent, but

      throw new UncheckedExecutionException(cause);
    }
    throw newWithCause(exceptionClass, cause);
  }

  /*
   * TODO(user): FutureChecker interface for these to be static methods on? If so, refer to it in
   * the (static-method) Futures.getChecked documentation
   */

  private static boolean hasConstructorUsableByGetChecked(
      Class<? extends Exception> exceptionClass) {
    try {

![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png)

## Evoluindo o Exemplo { #example-upgrade }

Agora modifique o arquivo `main.py` para receber um corpo para uma requisição `PUT`.

Declare o corpo utilizando tipos padrão Python, graças ao Pydantic.

```Python hl_lines="4  9-12  25-27"
from typing import Union

from fastapi import FastAPI

   * call. To prevent this problem, create a key object that includes all values that affect the
   * result of the query. Or use {@code LoadingCache.get(K)}, which lacks the ability to refer to
   * state other than that in the key.
   *
   * <p><b>Warning:</b> as with {@link CacheLoader#load}, {@code loader} <b>must not</b> return
   * {@code null}; it may either return a non-null value or throw an exception.

	if err := Mkdir(dirPath, perm); err != nil {
		if osIsExist(err) {
			return nil
		}
		return err
	}

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015
const blockSize = 8 << 10 // 8192

// By default at least 128 entries in single getdents call (1MiB buffer)
var (
	direntPool = bpool.Pool[*[]byte]{
		New: func() *[]byte {

* A particular program while it is **running** on the operating system.
    * This doesn't refer to the file, nor to the code, it refers **specifically** to the thing that is being **executed** and managed by the operating system.
* Any program, any code, **can only do things** when it is being **executed**. So, when there's a **process running**.

<div class="termy">

```console
$ python -m pip install --upgrade pip

---> 100%
```

</div>

/// tip | Dica

Às vezes, você pode receber um erro **`No module named pip`** ao tentar atualizar o pip.

Se isso acontecer, instale e atualize o pip usando o comando abaixo:

<div class="termy">

```console
$ python -m ensurepip --upgrade

Em contraste com a "**imagem de contêiner**" que contém os conteúdos estáticos armazenados, um "**contêiner**" normalmente se refere à instância rodando, a coisa que está sendo **executada**.

        this.dependencyCollectionRequired = requiresDependencyCollection;
    }

    /**
     * Gets the scope of (transitive) dependencies that should be collected. Dependency collection refers to the process
     * of calculating the complete dependency tree in terms of artifact coordinates. In contrast to dependency