{* ../../docs_src/bigger_applications/app_an_py39/routers/items.py hl[30:31] title["app/routers/items.py"] *}

/// tip | Tipp

Diese letzte Pfadoperation wird eine Kombination von Tags haben: `["items", "custom"]`.

errors.failed_to_upgrade_from=Kan niet upgraden vanaf {0}.
errors.failed_to_reindex=Kan herindexering van {0} naar {1} niet starten.
errors.failed_to_read_request_file=Kan verzoekbestand niet lezen: {0}
errors.invalid_header_for_request_file=Ongeldige headerregel: {0}
errors.could_not_delete_logged_in_user=Kan ingelogde gebruiker niet verwijderen.
errors.unauthorized_request=Ongeautoriseerd verzoek.

labels.labelTypeIds=Labels
labels.lang=Taal
labels.outputs=Uitvoer
labels.pos=Woordsoort
labels.purgeJobLogDay=Vorige taaklogboeken verwijderen
labels.purgeUserInfoDay=Vorige gebruikerslogboeken verwijderen
labels.reading=Lezen
labels.roleTypeIds=Rol-ID
labels.scriptData=Script
labels.scriptResult=Resultaat
labels.scriptType=Uitvoeringstype
labels.segmentation=Segmentatie
labels.startTime=Starttijd
labels.target=Doel

    /*
     * The striding algorithm works roughly as follows: it is universally the case that
     * CRC(x ^ y) == CRC(x) ^ CRC(y).  The approach we take is to break the message as follows,
     * with each letter representing a 4-byte word: ABCDABCDABCDABCD... and to calculate
     * CRC(A000A000A000...), CRC(0B000B000B...), CRC(00C000C000C...), CRC(000D000D000D...)

     * for this entry is one, this is simply the string representation of the corresponding element.
     * Otherwise, it is the string representation of the element, followed by the three characters
     * {@code " x "} (space, letter x, space), followed by the count.
     */
    @Override
    String toString();
  }

  // Comparison and hashing

  /**

     * for this entry is one, this is simply the string representation of the corresponding element.
     * Otherwise, it is the string representation of the element, followed by the three characters
     * {@code " x "} (space, letter x, space), followed by the count.
     */
    @Override
    String toString();
  }

  /**
   * Runs the specified action for each distinct element in this multiset, and the number of

<div class="termy">

```console
$ pip install "fastapi[standard]"

---> 100%
```

</div>

**Hinweis**: Stellen Sie sicher, dass Sie `"fastapi[standard]"` in Anführungszeichen setzen, damit es in allen Terminals funktioniert.

## Beispiel { #example }

### Erstellung { #create-it }

Erstellen Sie eine Datei `main.py` mit:

```Python
from typing import Union

Hug inspirierte **FastAPI** dazu, einen `response`-Parameter in Funktionen zu deklarieren, um Header und Cookies zu setzen.

///

### <a href="https://github.com/encode/apistar" class="external-link" target="_blank">APIStar</a> (≦ 0.5) { #apistar-0-5 }

heads.  She felt very curious to know what it was all about, and
crept a little way out of the wood to listen.

  The Fish-Footman began by producing from under his arm a great
letter, nearly as large as himself, and this he handed over to
the other, saying, in a solemn tone, `For the Duchess.  An
invitation from the Queen to play croquet.'  The Frog-Footman

Sans","Liberation Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";font-style:normal;font-weight:400;line-height:1.5;text-align:left;text-align:start;text-decoration:none;text-shadow:none;text-transform:none;letter-spacing:normal;word-break:normal;white-space:normal;word-spacing:normal;line-break:auto;font-size:.875rem;word-wrap:break-word;opacity:0}.tooltip.show{opacity:.9}.tooltip .arrow{position:absolute;display:block;width:.8rem;height:.4rem}.tooltip .a...