{!> ../../docs_src/python_types/tutorial011_py39.py!}
```

////

//// tab | Python 3.8+

```Python
{!> ../../docs_src/python_types/tutorial011.py!}
```

////

/// info

To learn more about <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic, check its docs</a>.

///

**FastAPI** is all based on Pydantic.

<p align="center">
  <a href="https://fastapi.tiangolo.com"><img src="https://fastapi.tiangolo.com/img/logo-margin/logo-teal.png" alt="FastAPI"></a>
</p>
<p align="center">
    FastAPI framework, high performance, easy to learn, fast to code, ready for production
</p>
<p align="center">
<a href="https://travis-ci.com/fastapi/fastapi" target="_blank">
    <img src="https://travis-ci.com/fastapi/fastapi.svg?branch=master" alt="Build Status">
</a>

One of those variables is the `PATH` variable.

/// tip

You can learn more about the `PATH` environment variable in the [Environment Variables](environment-variables.md#path-environment-variable){.internal-link target=_blank} section.

///

  repeated HorizontalPodAutoscaler items = 2;
}

// specification of a horizontal pod autoscaler.
message HorizontalPodAutoscalerSpec {
  // reference to scaled resource; horizontal pod autoscaler will learn the current resource consumption
  // and will set the desired number of pods by using its Scale subresource.
  optional CrossVersionObjectReference scaleTargetRef = 1;

   * will drop the {@code ":.txt"} part of the name when the file is actually created on the
   * filesystem due to NTFS's <a
   * href="https://learn.microsoft.com/en-us/archive/blogs/askcore/alternate-data-streams-in-ntfs">Alternate
   * Data Streams</a>.
   *
   * @since 11.0
   */
  public static String getFileExtension(String fullName) {

HERE.'

  `But then,' thought Alice, `shall I NEVER get any older than I
am now?  That'll be a comfort, one way--never to be an old woman--
but then--always to have lessons to learn!  Oh, I shouldn't like THAT!'

  `Oh, you foolish Alice!' she answered herself.  `How can you
learn lessons in here?  Why, there's hardly room for YOU, and no
room at all for any lesson-books!'

  And so she went on, taking first one side and then the other,

This simplicity and flexibility allow doing things like using NoSQL databases as the main data storage system.

As it is very simple, it's relatively intuitive to learn, although the documentation gets somewhat technical at some points.

  /** The HTTP {@code X-User-IP} header field name. */
  public static final String X_USER_IP = "X-User-IP";

  /**
   * The HTTP <a
   * href="https://learn.microsoft.com/en-us/archive/blogs/ieinternals/internet-explorer-and-custom-http-headers#:~:text=X%2DDownload%2DOptions">{@code
   * X-Download-Options}</a> header field name.
   *

That way, in many cases you can learn about containers and Docker and reuse that knowledge with many different tools and components.

---
title: Recipes
description: A collection of common/useful code examples for Kotlin and Java
---


# Recipes

We've written some recipes that demonstrate how to solve common problems with OkHttp. Read through them to learn about how everything works together. Cut-and-paste these examples freely; that's what they're for.

### Synchronous Get ([.kt][SynchronousGetKotlin], [.java][SynchronousGetJava])