* addresses, the output follows <a href="http://tools.ietf.org/html/rfc5952">RFC 5952</a> section
   * 4. The main difference is that this method uses "::" for zero compression, while Java's version
   * uses the uncompressed form (except on Android, where the zero compression is also done). The
   * other difference is that this method outputs any scope ID in the format that it was provided at

   *     CLEAN 1ab96a171faeeee38496d8b330771a7a 1600 234
   *     READ 335c4c6028171cfddfbaae1a9c313c52
   *     READ 3400330d1dfc7f3f7f4b8d4d803dfcf6
   *
   * The first five lines of the journal form its header. They are the constant string
   * "libcore.io.DiskLruCache", the disk cache's version, the application's version, the value
   * count, and a blank line.
   *

///

### Step 5: コンテンツの返信

{* ../../docs_src/first_steps/tutorial001.py hl[8] *}

`dict`、`list`、`str`、`int`などを返すことができます。

Pydanticモデルを返すこともできます（後で詳しく説明します）。

JSONに自動的に変換されるオブジェクトやモデルは他にもたくさんあります（ORMなど）。 お気に入りのものを使ってみてください。すでにサポートされている可能性が高いです。

## まとめ

* `FastAPI`をインポート
* `app`インスタンスを生成
* **パスオペレーションデコレータ**を記述 (`@app.get("/")`)
* **パスオペレーション関数**を定義 (上記の`def root(): ...`のように)

          </association>
        </field>
        <field>
          <name>properties</name>
          <description>
            Extended configuration specific to this profile goes here.
            Contents take the form of {@code &lt;property.name&gt;property.value&lt;/property.name&gt;}
          </description>
          <type>Properties</type>
          <association xml.mapStyle="inline">
            <type>String</type>

* <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - Obligatoire pour la prise en charge de `SessionMiddleware`.

   * Collections#frequency}) can cause major performance problems.
   *
   * <p>The returned set's {@link Object#toString} method returns a shorthand form of the set's
   * contents, such as {@code "[1..100]}"}.
   *
   * @throws IllegalArgumentException if neither this range nor the domain has a lower bound, or if
   *     neither has an upper bound
   */

import org.jspecify.annotations.Nullable;

/**
 * A striped {@code Lock/Semaphore/ReadWriteLock}. This offers the underlying lock striping similar
 * to that of {@code ConcurrentHashMap} in a reusable form, and extends it for semaphores and
 * read-write locks. Conceptually, lock striping is the technique of dividing a lock into many
 * <i>stripes</i>, increasing the granularity of a single lock and allowing independent operations

* <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - erforderlich, wenn Sie Formulare mittels `request.form()` <abbr title="Konvertieren des Strings, der aus einer HTTP-Anfrage stammt, nach Python-Daten">„parsen“</abbr> möchten.

labels.webauth_parameters=Parameters
labels.webauth_web_crawling_config=Web Config
labels.webauth_scheme_basic=Basic
labels.webauth_scheme_digest=Digest
labels.webauth_scheme_ntlm=NTLM
labels.webauth_scheme_form=Form
labels.log_configuration=Log Files
labels.log_file_name=File Name
labels.log_file_date=Timestamp
labels.labeltype_configuration=Label
labels.labeltype_title_details=Label
labels.labeltype_name=Name

- <a href="https://github.com/Kludex/python-multipart" target="_blank"><code>python-multipart</code></a> - <abbr title="converting the string that comes from an HTTP request into Python data">"parsing"</abbr>`request.form()`からの変換をサポートしたい場合は必要です。
- <a href="https://pythonhosted.org/itsdangerous/" target="_blank"><code>itsdangerous</code></a> - `SessionMiddleware` サポートのためには必要です。