Era `upper`? O era `uppercase`? `first_uppercase`? `capitalize`?

Luego lo intentas con el viejo amigo de los programadores, el auto-completado del editor.

Escribes el primer parámetro de la función `first_name`, luego un punto (`.`) y luego presionas `Ctrl+Space` para iniciar el auto-completado.

Tristemente, no obtienes nada útil:

<img src="https://fastapi.tiangolo.com/img/python-types/image01.png">

### Añade tipos

[19511] [INFO] Waiting for application startup.
[19511] [INFO] Application startup complete.
[19513] [INFO] Started server process [19513]
[19513] [INFO] Waiting for application startup.
[19513] [INFO] Application startup complete.
[19514] [INFO] Started server process [19514]
[19514] [INFO] Waiting for application startup.
[19514] [INFO] Application startup complete.
[19515] [INFO] Started server process [19515]

    /** A service in this state is operational. */
    RUNNING,

    /** A service in this state is transitioning to {@link #TERMINATED}. */
    STOPPING,

    /**
     * A service in this state has completed execution normally. It does minimal work and consumes
     * minimal resources.
     */
    TERMINATED,

    /**
     * A service in this state has encountered a problem and may not be operational. It cannot be

  private static final String RESULT_DATA = "SUCCESS";

  private SettableFuture<String> outputFuture;
  // Signals that the function is waiting to complete
  private CountDownLatch funcIsWaitingLatch;
  // Signals the function so it will complete
  private CountDownLatch funcCompletionLatch;

  @Override
  protected ListenableFuture<String> buildChainingFuture(ListenableFuture<Integer> inputFuture) {

  private static final String RESULT_DATA = "SUCCESS";

  private SettableFuture<String> outputFuture;
  // Signals that the function is waiting to complete
  private CountDownLatch funcIsWaitingLatch;
  // Signals the function so it will complete
  private CountDownLatch funcCompletionLatch;

  @Override
  protected ListenableFuture<String> buildChainingFuture(ListenableFuture<Integer> inputFuture) {

	rs.Endpoint = endpoint
	rs.Secure = secure
	rs.TransferSize = n
	rs.Arn = arn
	rs.TransferDuration = duration
	rs.opType = opType
	switch status {
	case replication.Completed:
		rs.Completed = true
	case replication.Pending:
		rs.Pending = true
	case replication.Failed:
		rs.Failed = true
		rs.Err = err
	}
}

// GetAll returns replication metrics for all buckets at once.

	workingInitContainerDiedPreviously = corev1.ContainerStatus{
		Name: constants.ValidationContainerName,
		State: corev1.ContainerState{
			Terminated: &corev1.ContainerStateTerminated{
				ExitCode: 0,
				Reason:   "Completed",
			},
		},
		LastTerminationState: corev1.ContainerState{
			Terminated: &corev1.ContainerStateTerminated{
				ExitCode: 126,
				Reason:   "Error",
				Message:  "Died for some reason",
			},
		},

Et les sections suivantes supposent que vous l'avez lu et que vous en connaissez les idées principales.

## Cours TestDriven.io

Si vous souhaitez suivre un cours pour débutants avancés pour compléter cette section de la documentation, vous pouvez consulter : <a href="https://testdrive.io/courses/tdd-fastapi/" class="external- link" target="_blank">Développement piloté par les tests avec FastAPI et Docker</a> par **TestDriven.io**.

[19511] [INFO] Waiting for application startup.
[19511] [INFO] Application startup complete.
[19513] [INFO] Started server process [19513]
[19513] [INFO] Waiting for application startup.
[19513] [INFO] Application startup complete.
[19514] [INFO] Started server process [19514]
[19514] [INFO] Waiting for application startup.
[19514] [INFO] Application startup complete.
[19515] [INFO] Started server process [19515]

    computingLatch.countDown();
    // don't check cache.size() until we know the get("b") call is complete
    computationComplete.await();

    // At this point, the listener should be holding the seed value (a -> a), and the map should
    // contain the computed value (b -> b), since the clear() happened before the computation
    // completed.
    assertEquals(1, listener.size());