* <li><code>[1.0,2.0]</code> Versions 1.0 to 2.0 (both included)</li>
     * <li><code>[1.5,)</code> Versions 1.5 and higher</li>
     * <li><code>(,1.0],[1.2,)</code> Versions up to 1.0 (included) and 1.2 or higher</li>
     * </ul>
     *
     * @param spec string representation of a version or version range
     * @return a new {@link VersionRange} object that represents the spec

```

### Include the `APIRouter`s for `users` and `items` { #include-the-apirouters-for-users-and-items }

Now, let's include the `router`s from the submodules `users` and `items`:

```Python hl_lines="10-11" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

/// info

`users.router` contains the `APIRouter` inside of the file `app/routers/users.py`.

{* ../../docs_src/response_model/tutorial003_01_py310.py hl[7:10,13:14,18] *}

Con esto, obtenemos soporte de las herramientas, de los editores y mypy ya que este código es correcto en términos de tipos, pero también obtenemos el filtrado de datos de FastAPI.

```

### Подключение маршрутизаторов (`APIRouter`) для `users` и для `items`

Давайте подключим маршрутизаторы (`router`) из суб-модулей `users` и `items`:

```Python hl_lines="10-11" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

/// info | Примечание

`users.router` содержит `APIRouter` из файла `app/routers/users.py`.

{!../../docs_src/bigger_applications/app/main.py!}
```


### Die `APIRouter` für `users` und `items` inkludieren

Inkludieren wir nun die `router` aus diesen Submodulen `users` und `items`:

```Python hl_lines="10-11" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

/// info

`users.router` enthält den `APIRouter` in der Datei `app/routers/users.py`.

        this.channelCounter = new AtomicInteger(0);
        this.multiChannelEnabled = false;

        // Schedule periodic health checks
        scheduler.scheduleAtFixedRate(this::performHealthCheck, 10, 10, TimeUnit.SECONDS);

        // Schedule interface discovery
        scheduler.scheduleAtFixedRate(this::discoverInterfaces, 0, 30, TimeUnit.SECONDS);
    }

    /**
     * Initialize multi-channel support

	}
	err = r.skip(5)
	if err != nil {
		t.Fatal(err)
	}
	names, err = r.readNames(5)
	if err != nil {
		t.Fatal(err)
	}
	want = loadMetacacheSampleNames[10:15]
	if !reflect.DeepEqual(names, want) {
		t.Errorf("got unexpected result: %#v", names)
	}

	err = r.skip(len(loadMetacacheSampleNames))
	if err != io.EOF {
		t.Fatal(err)
	}

        fileBuilder.append(".tmp")
        dirtyFiles += directory / fileBuilder.toString()
        fileBuilder.setLength(truncateTo)
      }
    }

    /** Set lengths using decimal numbers like "10123". */
    @Throws(IOException::class)
    internal fun setLengths(strings: List<String>) {
      if (strings.size != valueCount) {
        invalidLengths(strings)
      }

      try {

        this.channelCounter = new AtomicInteger(0);
        this.multiChannelEnabled = false;
        
        // Schedule periodic health checks
        scheduler.scheduleAtFixedRate(this::performHealthCheck, 10, 10, TimeUnit.SECONDS);
        
        // Schedule interface discovery
        scheduler.scheduleAtFixedRate(this::discoverInterfaces, 0, 30, TimeUnit.SECONDS);
    }
    

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