# Code blocks { #code-blocks }

Some text

```python
# This is a sample Python code block
def hello_world():
    # Comment with indentation
    print("Hello, world!")  # Print greeting
```

Some more text

The following block has wrong language code (should be TOML):

```
# This is a sample TOML code block
title = "TOML Example"  # Title of the document
```

And more text

```console

    assert response.status_code == 200, response.text
    assert response.json() == {"scheme": "Other", "credentials": "foobar"}


def test_security_http_base_no_credentials():
    response = client.get("/users/me")
    assert response.status_code == 200, response.text
    assert response.json() == {"msg": "Create an account first"}


def test_openapi_schema():

  public void testLimitExtraSeparators() {
    String text = "a,,,b,,c,d";
    Iterable<String> items = COMMA_SPLITTER.limit(2).split(text);
    assertThat(items).containsExactly("a", ",,b,,c,d").inOrder();
  }

  public void testLimitExtraSeparatorsOmitEmpty() {
    String text = "a,,,b,,c,d";
    Iterable<String> items = COMMA_SPLITTER.limit(2).omitEmptyStrings().split(text);

        }

        @Override
        public void onText(String text) {
            boolean ws = text.matches("\\s*");
            if (!ws) {
                onInlineContent();
                visitor.onText(text);
            } else if (!elementStack.isEmpty() && !blockContent.contains(elementStack.getFirst())) {
                visitor.onText(text);
            }
        }

        @Override

      .assertLogEqual("Content-Type: text/plain; charset=utf-8")
      .assertLogEqual("--> END POST")
      .assertLogMatch(Regex("""<-- 200 OK $url \(\d+ms\)"""))
      .assertLogEqual("Content-Length: 0")
      .assertLogEqual("<-- END HTTP")
      .assertNoMoreLogs()
    networkLogs
      .assertLogEqual("--> POST $url http/1.1")
      .assertLogEqual("Content-Type: text/plain; charset=utf-8")

      return new MockResponse()
          .setStatus("HTTP/1.1 404")
          .addHeader("content-type: text/plain; charset=utf-8")
          .setBody("NOT FOUND: " + path);
    } catch (IOException e) {
      return new MockResponse()
          .setStatus("HTTP/1.1 500")
          .addHeader("content-type: text/plain; charset=utf-8")
          .setBody("SERVER ERROR: " + e);
    }
  }

FastAPI (eigentlich Starlette) fügt automatisch einen Content-Length-Header ein. Außerdem wird es einen Content-Type-Header einfügen, der auf dem `media_type` basiert, und für Texttypen einen Zeichensatz (charset) anfügen.

{* ../../docs_src/response_directly/tutorial002_py310.py hl[1,18] *}

### `HTMLResponse` { #htmlresponse }

    response = client.get("/valid1")
    assert response.status_code == 200, response.text
    response = client.get("/valid2")
    assert response.status_code == 200, response.text
    response = client.get("/valid3")
    assert response.status_code == 200, response.text
    response = client.get("/valid4")
    assert response.status_code == 200, response.text


def test_openapi_schema():
    response = client.get("/openapi.json")

//// tab | Test

/// info | Info
Etwas Text
///

/// note | Hinweis
Etwas Text
///

/// note | Technische Details
Etwas Text
///

/// check | Testen
Etwas Text
///

/// tip | Tipp
Etwas Text
///

/// warning | Achtung
Etwas Text
///

/// danger | Gefahr
Etwas Text
///

////

//// tab | Info

             the following code:

             <u style="text-decoration-style:solid">from </u><u style="text-decoration-style:solid"><b>main</b></u><u style="text-decoration-style:solid"> import </u><u style="text-decoration-style:solid"><b>app</b></u>