Now, let's see the module at `app/main.py`.

Here's where you import and use the class `FastAPI`.

This will be the main file in your application that ties everything together.

And as most of your logic will now live in its own specific module, the main file will be quite simple.

### Import `FastAPI`

You import and create a `FastAPI` class as normally.

     * cancelled.
     */
    @CheckForNull Executor delegate;

    /**
     * Set before calling delegate.execute(); set to null once run, so that it can be GCed; this
     * object may live on after, if submitAsync returns an incomplete future.
     */
    @CheckForNull Runnable task;

    /** Thread that called execute(). Set in execute, cleared when delegate.execute() returns. */

      @Override
      public void run() {
        thirdSignal.countDown();
        result.set(1, cache.getUnchecked(key));
        doneSignal.countDown();
      }
    }.start();

    // give the second get a chance to run; it is okay for this to be racy
    // as the end result should be the same either way
    thirdSignal.await();
    Thread.yield();

    // Expand!

      while read -r ip; do
        METALLB_IPS6+=("$ip")
      done < <(cidr_to_ips "$DOCKER_KIND_SUBNET" | tail -n 100)
    fi
  fi

  # Give this cluster of those IPs
  RANGE="["
  for i in {0..19}; do
    RANGE+="${METALLB_IPS4[1]},"
    METALLB_IPS4=("${METALLB_IPS4[@]:1}")
    if [[ "${#METALLB_IPS6[@]}" != 0 ]]; then
      RANGE+="${METALLB_IPS6[1]},"

                artifacts, rootArtifact, managedVersions, collectionRequest, source, collectionFilter, listeners, null);

        // We have metadata retrieval problems, or there are cycles that have been detected
        // so we give this back to the calling code and let them deal with this information
        // appropriately.

        if (result.hasMetadataResolutionExceptions()
                || result.hasVersionRangeViolations()

      Work or Derivative Works thereof in any medium, with or without
      modifications, and in Source or Object form, provided that You
      meet the following conditions:

      (a) You must give any other recipients of the Work or
          Derivative Works a copy of this License; and

      (b) You must cause any modified files to carry prominent notices
          stating that You changed the files; and

- Improve PVC Protection Controller's scalability by batch-processing PVCs by namespace with lazy live pod listing. ([#125372](https://github.com/kubernetes/kubernetes/pull/125372), [@hungnguyen243](https://github.com/hungnguyen243)) [SIG Apps, Node, Storage and Testing]

	fmt.Println(bytes.ContainsFunc([]byte("World"), f))
	// Output:
	// false
	// true
}

func ExampleCount() {
	fmt.Println(bytes.Count([]byte("cheese"), []byte("e")))
	fmt.Println(bytes.Count([]byte("five"), []byte(""))) // before & after each rune
	// Output:
	// 3
	// 5
}

func ExampleCut() {
	show := func(s, sep string) {
		before, after, found := bytes.Cut([]byte(s), []byte(sep))

		sseS3 := crypto.S3.IsEncrypted(result.UserDefined)
		if !sseKMS && !sseS3 { // neither sse-s3 nor sse-kms disallowed
			continue
		}
		wk.Take()
		go func() {
			defer wk.Give()
			for attempts := 1; attempts <= retryAttempts; attempts++ {
				stopFn := globalBatchJobsMetrics.trace(batchJobMetricKeyRotation, job.ID, attempts)
				success := true

01BC          ; mapped                 ; 01BD          # 1.1  LATIN CAPITAL LETTER TONE FIVE
01BD..01C3    ; valid                                  # 1.1  LATIN SMALL LETTER TONE FIVE..LATIN LETTER RETROFLEX CLICK
01C4..01C6    ; mapped                 ; 0064 017E     # 1.1  LATIN CAPITAL LETTER DZ WITH CARON..LATIN SMALL LETTER DZ WITH CARON