```txt
Hello, World from Flask!
```

&amp; 🚥 👆 🚶 <a href="http://localhost:8000/v2" class="external-link" target="_blank">http://localhost:8000/v2</a> 👆 🔜 👀 📨 ⚪️➡️ FastAPI:

```JSON
{
    "message": "Hello World"
}

from typing import Annotated


def say_hello(name: Annotated[str, "this is just metadata"]) -> str:

    serverIpv4.enqueue(
      MockResponse(body = "unexpected call to IPv4"),
    )
    serverIpv6.enqueue(
      MockResponse(body = "hello from IPv6"),
    )

    val call = client.newCall(Request(url))
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("hello from IPv6")

    // In the process we made one successful connection attempt.

@app.get("/orjson_non_str_keys")
def get_orjson_non_str_keys():
    key = quoted_name(value="msg", quote=False)
    return {key: "Hello World", 1: 1}


client = TestClient(app)


def test_orjson_non_str_keys():
    with client:
        response = client.get("/orjson_non_str_keys")

items:
- apiVersion: apps/v1
  kind: Deployment
  metadata:
    labels:
      app: hello
      version: v1
    name: hello-v1
  spec:
    replicas: 1
    template:
      metadata:
        labels:
          app: hello
          version: v1
      spec:
        containers:
        - name: hello
          image: istio/examples-hello
          imagePullPolicy: IfNotPresent
          ports:

		*es = EncryptedString(bytes.TrimPrefix(value, []byte("hello")))
	case string:
		*es = EncryptedString(strings.TrimPrefix(value, "hello"))
	default:
		return fmt.Errorf("unsupported data %#v", dbValue)
	}
	return nil
}

func (es EncryptedString) Value(ctx context.Context, field *schema.Field, dst reflect.Value, fieldValue interface{}) (interface{}, error) {
	return "hello" + string(es), nil
}

type CustomSerializer struct {

	if err = disk.AppendFile(context.Background(), testCase.volName, pathJoin("hello-world.txt", xlStorageFormatFile), []byte("Hello World")); err != nil {
		t.Fatalf("Create a file `test` failed with %s expected to pass.", err)
	}

	// CheckFile - stat the file.
	if _, err := disk.StatInfoFile(context.Background(), testCase.volName, "hello-world.txt/"+xlStorageFormatFile, false); err != nil {

from fastapi.websockets import WebSocket

app = FastAPI()


@app.get("/")
async def read_main():
    return {"msg": "Hello World"}


@app.websocket("/ws")
async def websocket(websocket: WebSocket):
    await websocket.accept()
    await websocket.send_json({"msg": "Hello WebSocket"})
    await websocket.close()


def test_read_main():
    client = TestClient(app)
    response = client.get("/")

        ):
            if q:
                return f"Hello {q}"
            else:
                return "Hello World"

    client = TestClient(app)
    return client


@needs_py310
def test_no_query():
    client = get_client()
    response = client.post("/items/")
    assert response.status_code == 200
    assert response.json() == "Hello World"


@needs_py310
def test_q_fixedquery():

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient

app = FastAPI()


@app.get("/a", responses={"hello": {"description": "Not a valid additional response"}})
async def a():
    pass  # pragma: no cover


openapi_schema = {
    "openapi": "3.1.0",
    "info": {"title": "FastAPI", "version": "0.1.0"},
    "paths": {
        "/a": {
            "get": {
                "responses": {