Using the below example document:
<img width="85%" src="https://bradley.codes/static/img/jstream-levels.gif" alt="jstream"/>

we can choose to extract and act only the objects within the top-level array:
```go
f, _ := os.Open("input.json")

		tests: []testFnc{
			testRemaining{8, 5},
			testRead{3, "ab\x00", nil},
			testRead{10, "\x00\x00cde", io.EOF},
			testRemaining{0, 0},
		},
	}, {
		maker: makeSparse{makeReg{"abcde", 5}, sparseDatas{{0, 2}, {5, 3}}, 8},
		tests: []testFnc{
			testRemaining{8, 5},
			testWriteTo{fileOps{"ab", int64(3), "cde"}, 8, nil},
			testRemaining{0, 0},
		},

/// tip

⏭ 📃, 👆 🔜 👀 🎰 🔐 🛠️, ⏮️ 🔐 #️⃣ &amp; <abbr title="JSON Web Tokens">🥙</abbr> 🤝.

✋️ 🔜, ➡️ 🎯 🔛 🎯 ℹ 👥 💪.

///

//// tab | 🐍 3️⃣.6️⃣ &amp; 🔛

```Python hl_lines="85"
{!> ../../docs_src/security/tutorial003.py!}
```

////

//// tab | 🐍 3️⃣.1️⃣0️⃣ &amp; 🔛

```Python hl_lines="83"
{!> ../../docs_src/security/tutorial003_py310.py!}
```

////

{!> ../../docs_src/security/tutorial003_py310.py!}
```

////

//// tab | Python 3.8+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="85"
{!> ../../docs_src/security/tutorial003.py!}
```

////

/// tip

By the spec, you should return a JSON with an `access_token` and a `token_type`, the same as in this example.

```

////

//// tab | Python 3.8+ nicht annotiert

/// tip | "Tipp"

Bevorzugen Sie die `Annotated`-Version, falls möglich.

///

```Python hl_lines="85"
{!> ../../docs_src/security/tutorial003.py!}
```

////

/// tip | "Tipp"

   * name extensions for Windows Media metafiles</a>.
   *
   * @since 20.0
   */
  public static final MediaType WMA_AUDIO = createConstant(AUDIO_TYPE, "x-ms-wma");

  /**
   * Windows Media metafiles. For more information, see <a
   * href="https://msdn.microsoft.com/en-us/library/windows/desktop/dd562994(v=vs.85).aspx">file

本例只是简单的演示，返回的 Token 就是 `username`，但这种方式极不安全。

/// tip | "提示"

下一章介绍使用哈希密码和 <abbr title="JSON Web Tokens">JWT</abbr> Token 的真正安全机制。

但现在，仅关注所需的特定细节。

///

```Python hl_lines="85"
{!../../docs_src/security/tutorial003.py!}
```

/// tip | "提示"

按规范的要求，应像本示例一样，返回带有 `access_token` 和 `token_type` 的 JSON 对象。

这是开发者必须在代码中自行完成的工作，并且要确保使用这些 JSON 的键。

这几乎是唯一需要开发者牢记在心，并按规范要求正确执行的事。

```

////

//// tab | Python 3.8+ non-Annotated

/// tip | Dica

Prefira usar a versão `Annotated`, se possível.

///

```Python hl_lines="85"
{!> ../../docs_src/security/tutorial003.py!}
```

////

/// tip | Dica

Pela especificação, você deve retornar um JSON com um `access_token` e um `token_type`, o mesmo que neste exemplo.

/// 팁

다음 장에서는 패스워드 해싱 및 <abbr title="JSON Web Tokens">JWT</abbr> 토큰을 사용하여 실제 보안 구현을 볼 수 있습니다.

하지만 지금은 필요한 세부 정보에 집중하겠습니다.

///

//// tab | 파이썬 3.7 이상

```Python hl_lines="85"
{!> ../../docs_src/security/tutorial003.py!}
```

////

//// tab | 파이썬 3.10 이상

```Python hl_lines="83"
{!> ../../docs_src/security/tutorial003_py310.py!}
```

////

/// 팁

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