```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip

The second argument to <a href="https://docs.python.org/3.8/library/os.html#os.getenv" class="external-link" target="_blank">`os.getenv()`</a> is the default value to return.

If not provided, it's `None` by default, here we provide `"World"` as the default value to use.

///

## Detalhes técnicos

Só um detalhe técnico para nerds curiosos. 🤓

Por baixo, na especificação técnica ASGI, essa é a parte do <a href="https://asgi.readthedocs.io/en/latest/specs/lifespan.html" class="external-link" target="_blank">Protocolo Lifespan</a>, e define eventos chamados `startup` e `shutdown`.

/// info | "Informação"

## Technical Details

Just a technical detail for the curious nerds. 🤓

Underneath, in the ASGI technical specification, this is part of the <a href="https://asgi.readthedocs.io/en/latest/specs/lifespan.html" class="external-link" target="_blank">Lifespan Protocol</a>, and it defines events called `startup` and `shutdown`.

/// info

func printCLIAccessMsg(endPoint string, alias string) {
	// Get saved credentials.
	cred := globalActiveCred

	const mcQuickStartGuide = "https://min.io/docs/minio/linux/reference/minio-mc.html#quickstart"

	// Configure 'mc', following block prints platform specific information for minio client.
	if color.IsTerminal() && (!globalServerCtxt.Anonymous && globalAPIConfig.permitRootAccess()) {

 * <code>WriteFile</code>, and <code>CloseFile</code> interface was
 * being used.
 * </td>
 * </tr>
 * </table>
 *
 * <p>
 * See <a href="../../../pipes.html">Using jCIFS to Connect to Win32
 * Named Pipes</a> for a detailed description of how to use jCIFS with
 * Win32 Named Pipe server processes.
 *
 */

 * <tt>NtlmHttpFilter</tt> should be used</b>. For custom NTLM HTTP Authentication schemes the <tt>NtlmSsp</tt> may be
 * used.
 * <p>
 * Read <a href="../../../ntlmhttpauth.html">jCIFS NTLM HTTP Authentication and the Network Explorer Servlet</a> related
 * information.
 * 
 * @deprecated NTLMv1 only
 */
@Deprecated
public abstract class NtlmServlet extends HttpServlet {

    /**

Starlette et **FastAPI** sont basés sur
<a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>, qui les rend
compatibles avec <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">asyncio</a>, de la bibliothèque standard Python et
<a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">Trio</a>.

pkg go/types, type ImporterFrom interface, Import(string) (*Package, error)
pkg go/types, type ImporterFrom interface, ImportFrom(string, string, ImportMode) (*Package, error)
pkg html/template, func IsTrue(interface{}) (bool, bool)
pkg html/template, method (*Template) DefinedTemplates() string
pkg image, func NewNYCbCrA(Rectangle, YCbCrSubsampleRatio) *NYCbCrA
pkg image, method (*NYCbCrA) AOffset(int, int) int

## Hypercorn with Trio

Starlette 和 **FastAPI** 基于 <a href="https://anyio.readthedocs.io/en/stable/" class="external-link" target="_blank">AnyIO</a>， 所以它们才能同时与 Python 的标准库 <a href="https://docs.python.org/3/library/asyncio-task.html" class="external-link" target="_blank">asyncio</a> 和<a href="https://trio.readthedocs.io/en/stable/" class="external-link" target="_blank">Trio</a> 兼容。

```

////

## `Union` ⚖️ `anyOf`

👆 💪 📣 📨 `Union` 2️⃣ 🆎, 👈 ⛓, 👈 📨 🔜 🙆 2️⃣.

⚫️ 🔜 🔬 🗄 ⏮️ `anyOf`.

👈, ⚙️ 🐩 🐍 🆎 🔑 <a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>:

/// note