//// tab | Python 3.8+ alternative

```Python hl_lines="1  4"
{!> ../../docs_src/python_types/tutorial009b.py!}
```

////

#### Using `Union` or `Optional`

If you are using a Python version below 3.10, here's a tip from my very **subjective** point of view:

* 🚨 Avoid using `Optional[SomeType]`
* Instead ✨ **use `Union[SomeType, None]`** ✨.

./mc cp /tmp/data/defpartsize minio1/test-bucket/defpartsize --enc-c "minio1/test-bucket/defpartsize=${TEST_MINIO_ENC_KEY}" --insecure

# Below should fail as compression and SSEC used at the same time
# DISABLED: We must check the response header to see if compression was actually applied

		return nil, fmt.Errorf("annotation value error for value %s; annotationFound = %t: %v",
			"includeOutboundPorts", isFound, valErr)
	}
	// Add 15090 to sync with non-cni injection template
	// TODO: Revert below once https://github.com/istio/istio/pull/23037 or its follow up is merged.
	redir.excludeInboundPorts = strings.TrimSpace(redir.excludeInboundPorts)

      Comparator<? super T> comparator, @ParametricNullness T endpoint, BoundType boundType) {
    return new GeneralRange<>(comparator, true, endpoint, boundType, false, null, OPEN);
  }

  /**
   * Returns everything below the endpoint relative to the specified comparator, with the specified
   * endpoint behavior.
   */
  static <T extends @Nullable Object> GeneralRange<T> upTo(

  //               the number of allowed disruptions. Therefore no disruptions are
  //               allowed and the status of the condition will be False.
  // - InsufficientPods: The number of pods are either at or below the number
  //                     required by the PodDisruptionBudget. No disruptions are
  //                     allowed and the status of the condition will be False.

    selectInPlace(required, array, from, to);

    // ...then recursively perform the selections in the range below...
    int requiredBelow = requiredChosen - 1;
    while (requiredBelow >= requiredFrom && allRequired[requiredBelow] == required) {
      requiredBelow--; // skip duplicates of required in the range below
    }
    if (requiredBelow >= requiredFrom) {

(Debian based distros), you can use `ufw` command to allow traffic to specific ports. Use below command to allow access to port 9000 ```sh ufw allow 9000 ``` Below command enables all incoming traffic to ports ranging from 9000 to 9010. ```sh ufw allow 9000:9010/tcp ``` ### firewall-cmd For hosts with firewall-cmd enabled (CentOS), you can use `firewall-cmd` command to allow traffic to specific ports. Use below commands to allow access to port 9000 ```sh firewall-cmd --get-active-zones ``` This command...

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    * They **expire**.
    * And then they need to be **renewed**, **acquired again** from the third party.
* The encryption of the connection happens at the **TCP level**.
    * That's one layer **below HTTP**.
    * So, the **certificate and encryption** handling is done **before HTTP**.
* **TCP doesn't know about "domains"**. Only about IP addresses.

different parts of the configuration tree are correct. For example, it's an error to enable a component while its
parent feature is disabled.

## Manifest creation

Manifest rendering is a multi-step process, shown in the figure below. ![rendering
process](images/operator_render_flow.svg) The example in the figure shows the rendering being triggered by a CLI `mesh`