def process_items(prices: dict[str, float]):
    for item_name, item_price in prices.items():
        print(item_name)

from fastapi import FastAPI

app = FastAPI()


@app.get("/items/{item_id}")
async def read_item(item_id: int):

from fastapi import FastAPI

app = FastAPI()


@app.get("/files/{file_path:path}")
async def read_file(file_path: str):

from fastapi import FastAPI

app = FastAPI(docs_url="/documentation", redoc_url=None)


@app.get("/items/")
async def read_items():

      Request(
        url = server.url("/"),
        body = "def".toRequestBody("text/plain".toMediaType()),
      )
    executeSynchronously(request)
      .assertCode(200)
      .assertBody("abc")
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.method).isEqualTo("POST")
    assertThat(recordedRequest.body?.utf8()).isEqualTo("def")
    assertThat(recordedRequest.headers["Content-Length"]).isEqualTo("3")

from fastapi import FastAPI, status

app = FastAPI()


@app.post("/items/", status_code=status.HTTP_201_CREATED)
async def create_item(name: str):

        final String script = "def sum = 0; for (int i = 1; i <= n; i++) { sum += i }; return sum";
        assertEquals(15, groovyEngine.evaluate(script, params));
    }

    /**
     * Test that closures work
     */
    @Test
    public void test_evaluate_closures() {
        final Map<String, Object> params = new HashMap<>();
        final String script = "def multiply = { x, y -> x * y }; return multiply(6, 7)";

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: str | None = None):
    return {"item_id": item_id, "q": q}
```

<details markdown="1">
<summary>Ya da <code>async def</code> kullanalım...</summary>

Eğer kodunuz `async` / `await` kullanıyorsa, `async def` kullanın:

```Python hl_lines="7  12"

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(q: list = Query(default=[])):
    query_items = {"q": q}

from fastapi import FastAPI, Request

app = FastAPI()


@app.get("/app")
def read_main(request: Request):