{* ../../docs_src/handling_errors/tutorial005_py310.py hl[14] *}

Now try sending an invalid item like:

```JSON
{
  "title": "towel",
  "size": "XL"
}
```

You will receive a response telling you that the data is invalid containing the received body:

```JSON hl_lines="12-15"
{
  "detail": [
    {
      "loc": [
        "body",
        "size"
      ],

}

// hashOrder - hashes input key to return consistent
// hashed integer slice. Returned integer order is salted
// with an input key. This results in consistent order.
// NOTE: collisions are fine, we are not looking for uniqueness
// in the slices returned.
func hashOrder(key string, cardinality int) []int {
	if cardinality <= 0 {
		// Returns an empty int slice for cardinality < 0.
		return nil
	}

        entryOf(k4, v4),
        entryOf(k5, v5),
        entryOf(k6, v6),
        entryOf(k7, v7),
        entryOf(k8, v8),
        entryOf(k9, v9),
        entryOf(k10, v10));
  }

  // looking for of() with > 10 entries? Use the builder instead.

  @SafeVarargs
  public static <K, V> ImmutableMap<K, V> ofEntries(Entry<? extends K, ? extends V>... entries) {
    return new RegularImmutableMap<>(entries);
  }

  require(address.size == 4)
  return Buffer()
    .writeDecimalLong((address[0] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[1] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[2] and 0xff).toLong())
    .writeByte('.'.code)
    .writeDecimalLong((address[3] and 0xff).toLong())
    .readUtf8()
}

/**

        String javaHomeEnvVar = getJavaHomeEnvVarName(version);

        // Provide a useful error if we're looking for a Java home version that we haven't told Gradle about yet
        Arrays.stream(javaHomeNames.get().split(","))
            .filter(s -> s.equals(javaHomeEnvVar))
            .findFirst()
            .orElseThrow(

    val webSocket =
      RealWebSocket(
        TaskRunner.INSTANCE,
        request,
        clientListener,
        random,
        client.pingIntervalMillis.toLong(),
        null,
        0L,
        client.webSocketCloseTimeout.toLong(),
      )
    webSocket.connect(client)
    return webSocket
  }

  private fun closeWebSockets(
    client: WebSocket,
    server: WebSocket,

---

"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_"

"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_"

            if (headerNameIndex in 2..7) {
              // Only search a subset of the static header table. Most entries have an empty value, so
              // it's unnecessary to waste cycles looking at them. This check is built on the
              // observation that the header entries we care about are in adjacent pairs, and we
              // always know the first index of the pair.

  when setting plugin parameters. This happens in particular with <<<settings.*>>> values for
  {{{../maven-settings/settings.html}Settings Model}},

  * encoding configuration have been defined as POM properties looking like POM content but not added to POM model to maintain
  compatibility with previous Maven versions:

    * <<<$\{project.build.sourceEncoding\}>>> for

   */
  private static void selectInPlace(int required, double[] array, int from, int to) {
    // If we are looking for the least element in the range, we can just do a linear search for it.
    // (We will hit this whenever we are doing quantile interpolation: our first selection finds
    // the lower value, our second one finds the upper value by looking for the next least element.)
    if (required == from) {
      int min = from;