E se você clicar, verá um pequeno formulário de autorização para digitar um `username` e um `password` (e outros campos opcionais):

<img src="/img/tutorial/security/image02.png">

/// note | Nota

Não importa o que você digite no formulário, ainda não vai funcionar. Mas nós vamos chegar lá.

///

Claro que este não é o frontend para os usuários finais, mas é uma ótima ferramenta automática para documentar interativamente toda a sua API.

    }
  }

  @SuppressWarnings("InlineMeInliner") // We need to test our method.
  public void testIsFinite() {
    for (double value : NUMBERS) {
      assertThat(Doubles.isFinite(value)).isEqualTo(Double.isFinite(value));
    }
  }

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (double x : VALUES) {

Since this small example does not need any `await` statements, we add an `await anyio.sleep(0)` to give the event loop a chance to handle cancellation.

This would be even more important with large or infinite streams.

///

/// tip

left{margin-right:.3em}.fa.fa-pull-right,.fab.fa-pull-right,.fal.fa-pull-right,.far.fa-pull-right,.fas.fa-pull-right{margin-left:.3em}.fa-spin{-webkit-animation:fa-spin 2s linear infinite;animation:fa-spin 2s linear infinite}.fa-pulse{-webkit-animation:fa-spin 1s steps(8) infinite;animation:fa-spin 1s steps(8) infinite}@-webkit-keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes fa-spin{0%{-webkit-trans...

### Just Modern Python { #just-modern-python }

It's all based on standard **Python type** declarations (thanks to Pydantic). No new syntax to learn. Just standard modern Python.

If you need a 2 minute refresher of how to use Python types (even if you don't use FastAPI), check the short tutorial: [Python Types](python-types.md).

You write standard Python with types:

```Python
from datetime import date

   * #descendingMap}. (The {@link StandardDescendingMap} implementation implements {@code
   * navigableKeySet} on its own, so as not to cause an infinite loop.) If you override {@code
   * descendingMap}, you may wish to override {@code descendingKeySet} to forward to this
   * implementation.
   */
  protected NavigableSet<K> standardDescendingKeySet() {

   * #descendingMap}. (The {@link StandardDescendingMap} implementation implements {@code
   * navigableKeySet} on its own, so as not to cause an infinite loop.) If you override {@code
   * descendingMap}, you may wish to override {@code descendingKeySet} to forward to this
   * implementation.
   */
  protected NavigableSet<K> standardDescendingKeySet() {

    }
  }

  @SuppressWarnings("InlineMeInliner") // We need to test our method.
  public void testIsFinite() {
    for (float value : NUMBERS) {
      assertThat(Floats.isFinite(value)).isEqualTo(Float.isFinite(value));
    }
  }

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (float x : VALUES) {

    }
  }

  @SuppressWarnings("InlineMeInliner") // We need to test our method.
  public void testIsFinite() {
    for (float value : NUMBERS) {
      assertThat(Floats.isFinite(value)).isEqualTo(Float.isFinite(value));
    }
  }

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (float x : VALUES) {

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