Pero, tristemente, no obtienes nada útil:

<img src="/img/python-types/image01.png">

### Añadir tipos

Modifiquemos una sola línea de la versión anterior.

Cambiaremos exactamente este fragmento, los parámetros de la función, de:

```Python
    first_name, last_name
```

a:

```Python
    first_name: str, last_name: str
```

  quality requirements. For example, we check if the CLA is signed, PR has
  sufficient description, if applicable unit tests are added, if it is a
  reasonable contribution (meaning it is not a single liner cosmetic PR).

**2. Valid?**

-   If the PR passes all the quality checks then we go ahead and assign a
    reviewer.
-   If the PR didn't meet the validation criteria, we request for additional

////

/// tip

Mỗi khi bạn cài đặt thêm một **package mới** trong môi trường đó, hãy **kích hoạt** môi trường đó lại.

Điều này đảm bảo rằng khi bạn sử dụng một **chương trình dòng lệnh (<abbr title="command line interface">CLI</abbr>)** được cài đặt từ gói đó, bạn sẽ dùng bản cài đặt từ môi trường ảo của mình thay vì bản được cài đặt toàn cục khác có thể có phiên bản khác với phiên bản bạn cần.

///

<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>

If you are building a <abbr title="Command Line Interface">CLI</abbr> app to be used in the terminal instead of a web API, check out <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.

   * equivalently, if this inverse view contains a key that is equal to {@code value}).
   *
   * <p>Due to the property that values in a BiMap are unique, this will tend to execute in
   * faster-than-linear time.
   *
   * @param value the object to search for in the values of this BiMap
   * @return true if a mapping exists from a key to the specified value
   */
  @Override

to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify

        SMB1SigningDigest verifyDigest = new SMB1SigningDigest(testMacSigningKey);

        // Verify should return false when signature is correct (no error)
        // The code returns true on line 281 when signatures DON'T match
        boolean result = verifyDigest.verify(data, 0, data.length, 0, mockRequest);

        // The verification should succeed (return false) since we're using the same key

// FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
// DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
//
// THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
// CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
// PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
// NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE

Then we **assign those two values** of the tuple to the variables `id` and `name`.

So, if the user didn't provide an item ID, they will still receive a random suggestion.

...we do all this in a **single simple line**. 🤯 Don't you love Python? 🐍

{* ../../docs_src/query_params_str_validations/tutorial015_an_py310.py ln[22:30] hl[29] *}

## Recap { #recap }

---

## **Typer**, FastAPI CLI

<a href="https://typer.tiangolo.com" target="_blank"><img src="https://typer.tiangolo.com/img/logo-margin/logo-margin-vector.svg" style="width: 20%;"></a>

Створюючи <abbr title="Command Line Interface">CLI</abbr> застосунок для використання в терміналі, замість веб-API зверніть увагу на <a href="https://typer.tiangolo.com/" class="external-link" target="_blank">**Typer**</a>.