```

## Créer le code **FastAPI**.

* Créer un répertoire `app` et y entrer.
* Créez un fichier `main.py` avec :

```Python
from typing import Optional

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: Optional[str] = None):

 *  @author Victor Jonsson, http://victorjonsson.se
 *  @license MIT
 */

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.http2

import okhttp3.internal.http2.flowcontrol.WindowCounter

interface FlowControlListener {
  /**
   * Notification that the receiving stream flow control window has changed.

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

import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

/**
 * The edit form for Search List.
 * This form extends CreateForm and adds fields necessary for editing existing search list entries.
 */

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.config.exentity;

import org.codelibs.fess.opensearch.config.bsentity.BsBadWord;

/**
 * @author ESFlute (using FreeGen)
 */
public class BadWord extends BsBadWord {

    private static final long serialVersionUID = 1L;

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.mylasta.mail;

import org.codelibs.fess.unit.UnitFessTestCase;

public class EsStatusPostcardTest extends UnitFessTestCase {

    @Override
    public void setUp() throws Exception {
        super.setUp();
    }

    @Override

 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.opensearch.client;

import org.codelibs.fess.unit.UnitFessTestCase;

public class SearchEngineClientTest extends UnitFessTestCase {

    @Override
    public void setUp() throws Exception {
        super.setUp();
    }

    @Override

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.graph;

import com.google.common.base.Optional;

/**
 * A base class for builders that construct graphs with user-defined properties.
 *
 * @author James Sexton
 */
abstract class AbstractGraphBuilder<N> {

 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.base;

import com.google.common.annotations.GwtCompatible;

/**
 * The subset of the {@link java.util.regex.Matcher} API which is used by this package, and also

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.repository.legacy;

import org.apache.maven.wagon.providers.file.FileWagon;

/**
 * Mock of a Wagon for testing
 *
 */
public class WagonMock extends FileWagon {

    /**
     * A field that can be configured in the Wagon
     *