```Python hl_lines="13-17  26"
{!../../docs_src/additional_responses/tutorial004.py!}
```

## Mais informações sobre retornos OpenAPI

Para verificar exatamente o que você pode incluir nos retornos, você pode conferir estas seções na especificação do OpenAPI:

* <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responsesObject" class="external-link" target="_blank">Objeto de Retorno OpenAPI</a>, inclui o `Response Object`.

        longestRunOffset = currentRunOffset
        longestRunLength = currentRunLength
      }
      i += 2
    }
  }

  // Emit each 2-byte group in hex, separated by ':'. The longest run of zeroes is "::".
  val result = Buffer()
  var i = 0
  while (i < address.size) {
    if (i == longestRunOffset) {
      result.writeByte(':'.code)
      i += longestRunLength

#    -X prop       set non-standard JAVA system property
#   --prop=val
#   --prop val     set fess property (i.e.  -Des.<prop>=<val>)

CDPATH=""
SCRIPT="$0"

# SCRIPT may be an arbitrarily deep series of symlinks. Loop until we have the concrete path.
while [ -h "$SCRIPT" ] ; do
  ls=`ls -ld "$SCRIPT"`
  # Drop everything prior to ->
  link=`expr "$ls" : '.*-> \(.*\)$'`
  if expr "$link" : '/.*' > /dev/null; then

   *
   * @since 8.0
   */
  public static final byte BS = 8;

  /**
   * Horizontal Tabulation ('\t'): A format effector which controls the movement of the printing
   * position to the next in a series of predetermined positions along the printing line.
   * (Applicable also to display devices and the skip function on punched cards.)
   *
   * @since 8.0
   */
  public static final byte HT = 9;

  /**

And these models are all sharing a lot of the data and duplicating attribute names and types.

We could do better.

We can declare a `UserBase` model that serves as a base for our other models. And then we can make subclasses of that model that inherit its attributes (type declarations, validation, etc).

All the data conversion, validation, documentation, etc. will still work as normally.

  public void add(double x, double y) {
    // We extend the recursive expression for the one-variable case at Art of Computer Programming
    // vol. 2, Knuth, 4.2.2, (16) to the two-variable case. We have two value series x_i and y_i.
    // We define the arithmetic means X_n = 1/n \sum_{i=1}^n x_i, and Y_n = 1/n \sum_{i=1}^n y_i.
    // We also define the sum of the products of the differences from the means

   *         .addNode(ICELAND)
   *         .build();
   * }</pre>
   *
   * <p>Builder instances can be reused; it is safe to call {@link #build} multiple times to build
   * multiple graphs in series. Each new graph contains all the elements of the ones created before
   * it.
   *
   * @since 28.0
   */
  public static class Builder<N> {

    private final MutableGraph<N> mutableGraph;

```Python
q: Union[str, None] = None
```

Ou como em Python 3.10 e versões superiores:

```Python
q: str | None = None
```

Por exemplo:

//// tab | Python 3.10+

```Python hl_lines="26"
{!> ../../docs_src/body_multiple_params/tutorial004_py310.py!}
```

   * it is returned directly. Otherwise, a new array of size {@code minLength + padding} is
   * returned, containing the values of {@code array}, and zeroes in the remaining places.
   *
   * @param array the source array
   * @param minLength the minimum length the returned array must guarantee
   * @param padding an extra amount to "grow" the array by if growth is necessary

   * it is returned directly. Otherwise, a new array of size {@code minLength + padding} is
   * returned, containing the values of {@code array}, and zeroes in the remaining places.
   *
   * @param array the source array
   * @param minLength the minimum length the returned array must guarantee
   * @param padding an extra amount to "grow" the array by if growth is necessary