* `main.py` adında bir dosya oluşturup içine şu kodu yapıştıralım:

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


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


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

<details markdown="1">

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.group;

import org.codelibs.fess.app.web.admin.group.CreateForm;

/**
 * Request body for creating group via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.keymatch;

import org.codelibs.fess.app.web.admin.keymatch.CreateForm;

/**
 * Request body for creating key match via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.labeltype;

import org.codelibs.fess.app.web.api.admin.BaseSearchBody;

/**
 * Search request body for label type administration API.
 */
public class SearchBody extends BaseSearchBody {

    /**
     * Default constructor.

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.relatedcontent;

import org.codelibs.fess.app.web.admin.relatedcontent.CreateForm;

/**
 * Request body for creating related content via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.relatedquery;

import org.codelibs.fess.app.web.admin.relatedquery.CreateForm;

/**
 * Request body for creating related query via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.searchlist;

import org.codelibs.fess.app.web.admin.searchlist.CreateForm;

/**
 * Request body for creating search list via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.accesstoken;

import org.codelibs.fess.app.web.admin.accesstoken.CreateForm;

/**
 * Request body for creating access token via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.api.admin.dict.mapping;

import org.codelibs.fess.app.web.admin.dict.mapping.CreateForm;

/**
 * Request body for creating mapping dictionary via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */

Da mesma forma que você pode especificar um modelo de resposta, você também pode declarar o código de status HTTP usado para a resposta com o parâmetro `status_code` em qualquer uma das *operações de caminho*:

* `@app.get()`
* `@app.post()`
* `@app.put()`
* `@app.delete()`
* etc.

{* ../../docs_src/response_status_code/tutorial001.py hl[6] *}

/// note | Nota