#### Dict

To define a `dict`, you pass 2 type parameters, separated by commas.

The first type parameter is for the keys of the `dict`.

The second type parameter is for the values of the `dict`:

//// tab | Python 3.9+

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial008_py39.py!}
```

////

//// tab | Python 3.8+

	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/kube/multicluster"
	"istio.io/istio/pkg/log"
)

var (
	codec  runtime.Codec
	scheme *runtime.Scheme

	tokenWaitBackoff = time.Second
)

func init() {
	scheme = runtime.NewScheme()
	utilruntime.Must(v1.AddToScheme(scheme))
	opt := json.SerializerOptions{
		Yaml:   true,
		Pretty: false,
		Strict: false,
	}

		},
	)

	newDB.Joins("inner join rgs on rgs.id = user.id")

	stmt := newDB.First(&result).Statement
	str := stmt.SQL.String()

	if !strings.Contains(str, "rgs.id = user.id") {
		t.Errorf("The second join condition is over written instead of combining")
	}

	if !strings.Contains(str, "`users`.`company_id` = `companies`.`id`") && !strings.Contains(str, "\"users\".\"company_id\" = \"companies\".\"id\"") {

            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getSsoManager().register(this);
        groupCache = CacheBuilder.newBuilder().expireAfterWrite(groupCacheExpiry, TimeUnit.SECONDS).build();
    }

    @Override
    public LoginCredential getLoginCredential() {
        return LaRequestUtil.getOptionalRequest().map(request -> {
            if (logger.isDebugEnabled()) {

 "content": "The charts on this dashboard are intended to show Istio main components cost in terms of resources utilization under steady load.\n\n- **vCPU / 1k rps:** shows vCPU utilization by the main Istio components normalized by 1000 requests/second. When idle or low traffic, this chart will be blank. The curve for istio-proxy refers to the services sidecars only.\n- **vCPU:** vCPU utilization by Istio components, not normalized.\n- **Memory:** memory footprint for the components. Telemetry and...

        // This is possible when following both superClass -> enclosingClass
        // and enclosingclass -> superClass paths.
        // Since we follow the path of superclass first, enclosing second,
        // superclass mapping should take precedence.
        return;
      }
      // First, check whether var -> arg forms a cycle
      for (Type t = arg; t != null; t = mappings.get(TypeVariableKey.forLookup(t))) {

	}

	if createReq.Expiration != nil && !createReq.Expiration.IsZero() {
		// truncate expiration at the second.
		truncateTime := createReq.Expiration.Truncate(time.Second)
		createReq.Expiration = &truncateTime
	}

	// service account access key cannot have space characters beginning and end of the string.
	if hasSpaceBE(createReq.AccessKey) {

   * a {@link MoveDesc}. The first one is the element that was previously at the end of the heap and
   * is now at some position before {@code index}. The second element is the one that was swapped
   * down to replace the element at {@code index}. This fact is used by iterator.remove so as to
   * visit elements during a traversal once and only once.
   */
  @VisibleForTesting

    // Connection is pooled!
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(1)
  }

  @Test
  fun streamDiscardingIsTimely() {
    // This response takes at least a full second to serve: 10,000 bytes served 100 bytes at a time.
    server.enqueue(
      MockResponse.Builder()
        .body(Buffer().write(ByteArray(10000)))
        .throttleBody(100, 10, TimeUnit.MILLISECONDS)

			got := string(readBuf[:n])
			if err != nil || got != want {
				t.Errorf("off %d, size %d = %v, %v (%q); want %q", off, size, n, err, got, want)
			}
		}
	}

}

type zeros struct{}

func (zeros) Read(p []byte) (int, error) {
	clear(p)
	return len(p), nil