{!../../docs_src/first_steps/tutorial003.py!}
```

/// note

Nếu bạn không biết sự khác nhau, kiểm tra [Async: *"Trong khi vội vàng?"*](../async.md#in-a-hurry){.internal-link target=_blank}.

///

### Bước 5: Nội dung trả về

```Python hl_lines="8"
{!../../docs_src/first_steps/tutorial001.py!}
```

Bạn có thể trả về một `dict`, `list`, một trong những giá trị đơn như `str`, `int`,...

            return new String(new char[50_000]);
          }
        };
    List<Object> list = Collections.singletonList(object);
    for (int i = 0; i < 10; i++) {
      Object[] array = new Object[500];
      Arrays.fill(array, list);
      list = Arrays.asList(array);
    }
    future2.set(list);

    unused = future.toString();
  }

  public void testToString_notDone() throws Exception {

   *     helpful predefined constants
   * @return a mutable {@link List} containing all the lines
   * @throws IOException if an I/O error occurs
   */
  public static List<String> readLines(File file, Charset charset) throws IOException {
    // don't use asCharSource(file, charset).readLines() because that returns
    // an immutable list, which would change the behavior of this method
    return asCharSource(file, charset)

def test_swagger_ui():
    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert response.headers["content-type"] == "text/html; charset=utf-8"
    assert "swagger-ui-dist" in response.text
    print(client.base_url)
    assert "oauth2RedirectUrl" not in response.text


def test_swagger_ui_no_oauth2_redirect():
    response = client.get("/docs/oauth2-redirect")

def test_swagger_ui():
    response = client.get("/docs")
    assert response.status_code == 200, response.text
    assert response.headers["content-type"] == "text/html; charset=utf-8"
    assert "swagger-ui-dist" in response.text
    print(client.base_url)
    assert (
        f"oauth2RedirectUrl: window.location.origin + '{swagger_ui_oauth2_redirect_url}'"
        in response.text
    )

  EXPECT_EQ(dltensor_out->ndim, dltensor_in->ndim);
  EXPECT_EQ(dltensor_out->dtype.code, dltensor_in->dtype.code);
  EXPECT_EQ(dltensor_out->dtype.bits, dltensor_in->dtype.bits);
  EXPECT_EQ(dltensor_out->dtype.lanes, dltensor_in->dtype.lanes);
  for (int i = 0; i < dltensor_in->ndim; ++i) {
    EXPECT_EQ(dltensor_out->shape[i], dltensor_in->shape[i]);
    if (dltensor_out->strides) {

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.config.cbean.bs;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionBean;
import org.codelibs.fess.es.config.bsentity.dbmeta.AccessTokenDbm;
import org.codelibs.fess.es.config.cbean.AccessTokenCB;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.config.cbean.bs;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionBean;
import org.codelibs.fess.es.config.bsentity.dbmeta.KeyMatchDbm;
import org.codelibs.fess.es.config.cbean.KeyMatchCB;

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.es.config.cbean.bs;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.es.config.allcommon.EsAbstractConditionBean;
import org.codelibs.fess.es.config.bsentity.dbmeta.RoleTypeDbm;
import org.codelibs.fess.es.config.cbean.RoleTypeCB;

import com.google.common.collect.Lists;
import java.io.ByteArrayInputStream;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.List;

/**
 * Test class for {@link MultiInputStream}.
 *
 * @author Chris Nokleberg
 */
public class MultiInputStreamTest extends IoTestCase {

  public void testJoin() throws Exception {
    joinHelper(0);