///

The interactive API docs will update accordingly, to allow multiple values:

<img src="/img/tutorial/query-params-str-validations/image02.png">

### Query parameter list / multiple values with defaults

And you can also define a default `list` of values if none are provided:

//// tab | Python 3.9+

[kubernetes.tar.gz](https://dl.k8s.io/v1.26.15/kubernetes.tar.gz) | e77f14c8a2f5295abcccd829727491eb735724268037fe24df2f94b03e21cc472893f531c6523d212f00ebce6c0c3cba6b943ff61bc67b3e9167407c5f9242df
[kubernetes-src.tar.gz](https://dl.k8s.io/v1.26.15/kubernetes-src.tar.gz) | 34c1f9f20b5b103afaba9cb7b8ec32f95ac21ce3a4f9d6e5c32dd00c65b0fac1a71581c3dba4a71b28dfd074a8274d55f33c7ecd8e0d395bb02f011a0613db6d

### Client Binaries

filename | sha512 hash

* 同样适用于 `app/routers/users.py`，它是另一个子模块：`app.routers.users`。
* 还有一个子目录 `app/internal/` 包含另一个 `__init__.py` 文件，因此它是又一个「Python 子包」：`app.internal`。
* `app/internal/admin.py` 是另一个子模块：`app.internal.admin`。

<img src="https://fastapi.tiangolo.com/img/tutorial/bigger-applications/package.svg">

带有注释的同一文件结构：

```
.
├── app                  # 「app」是一个 Python 包
│   ├── __init__.py      # 这个文件使「app」成为一个 Python 包

```Python hl_lines="17"
{!> ../../docs_src/dependencies/tutorial003_py310.py!}
```

////

✋️ 📣 🆎 💡 👈 🌌 👆 👨‍🎨 🔜 💭 ⚫️❔ 🔜 🚶‍♀️ 🔢 `commons`, & ⤴️ ⚫️ 💪 ℹ 👆 ⏮️ 📟 🛠️, 🆎 ✅, ♒️:

<img src="/img/tutorial/dependencies/image02.png">

## ⌨

✋️ 👆 👀 👈 👥 ✔️ 📟 🔁 📥, ✍ `CommonQueryParams` 🕐:

```Python
commons: CommonQueryParams = Depends(CommonQueryParams)
```

{* ../../docs_src/security/tutorial006_an_py39.py hl[4,8,12] *}

When you try to open the URL for the first time (or click the "Execute" button in the docs) the browser will ask you for your username and password:

<img src="/img/tutorial/security/image12.png">

## Check the username

Here's a more complete example.

Use a dependency to check if the username and password are correct.

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.Charset;
import javax.annotation.CheckForNull;

/**
 * See MurmurHash3_x86_32 in <a
 * href="https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp">the C++
 * implementation</a>.
 *
 * @author Austin Appleby
 * @author Dimitris Andreou
 * @author Kurt Alfred Kluever
 */
@Immutable
@ElementTypesAreNonnullByDefault

        assertEquals(c1, c2, "reused instance should be equivalent to new instance");
    }

    /**
     * Test <a href="https://issues.apache.org/jira/browse/MNG-7644">MNG-7644</a> edge cases
     * 1.0.0.RC1 &lt; 1.0.0-RC2 and more generally:
     * 1.0.0.X1 &lt; 1.0.0-X2 for any string X
     */
    @Test
    void testMng7644() {
        for (String x : new String[] {"abc", "alpha", "a", "beta", "b", "def", "milestone", "m", "RC"}) {

	// It has a buffer size of 128K:
	// https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/internal/eventstreaming/MessageDecoder.java#L26
	// but we must make sure there is always space to add 256 bytes:
	// https://github.com/aws/aws-sdk-java/blob/master/aws-java-sdk-s3/src/main/java/com/amazonaws/services/s3/model/SelectObjectContentEventStream.java#L197
	maxRecordMessageLength = (128 << 10) - 256

// copyWithChildren will copy entry with hash from src if it exists along with any children.
// If a parent is specified it will be added to that if not already there.
// If the parent does not exist, it will be added.
func (d *dataUsageCache) copyWithChildren(src *dataUsageCache, hash dataUsageHash, parent *dataUsageHash) {
	if d.Cache == nil {
		d.Cache = make(map[string]dataUsageEntry, 100)
	}
	e, ok := src.Cache[hash.String()]
	if !ok {
		return

        reader = new DefaultModelReader(null);
        writer = new DefaultModelWriter();
        assembler = new DefaultInheritanceAssembler();
    }

    private File getPom(String name) {
        return new File("src/test/resources/poms/inheritance/" + name + ".xml");
    }

    private Model getModel(String name) throws IOException {
        return reader.read(getPom(name), null).getDelegate();
    }

    @Test