id: int
    name: str = "John Doe"
    signup_ts: datetime | None = None
    friends: list[int] = []


external_data = {
    "id": "123",
    "signup_ts": "2017-06-01 12:22",
    "friends": [1, "2", b"3"],
}
user = User(**external_data)
print(user)
# > User id=123 name='John Doe' signup_ts=datetime.datetime(2017, 6, 1, 12, 22) friends=[1, 2, 3]
print(user.id)

```

////

Observe o método `__init__` usado para criar uma instância da classe:

//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="13"

////

Pay attention to the `__init__` method used to create the instance of the class:

//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="13"

       * throw NoClassDefFoundError thereafter. This is the proper behavior according to the spec.
       * See https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.4.2 (steps #11 and
       * #5).
       *
       * Note that that "first time" might happen in a test other than
       * testLexicographicalComparatorChoice!
       */
      return false;
    }

        </div>
        <section class="content">
            <la:form action="/admin/dict/protwords/">
                <la:hidden property="dictId"/>
                <div class="row">
                    <div class="col-md-12">
                        <div class="card card-outline card-primary">
                            <div class="card-header">
                                <h3 class="card-title">

        </div>
        <section class="content">
            <la:form action="/admin/dict/stopwords/">
                <la:hidden property="dictId"/>
                <div class="row">
                    <div class="col-md-12">
                        <div class="card card-outline card-primary">
                            <div class="card-header">
                                <h3 class="card-title">

    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {
    TestHasher hasher = new TestHasher();
    hasher.putShort((short) 0x0201);
    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testInt() {
    TestHasher hasher = new TestHasher();
    hasher.putInt(0x04030201);
    hasher.assertBytes(new byte[] {1, 2, 3, 4});
  }

  public void testLong() {

        assertEquals("12 ab", documentHelper.getContent(null, responseData, " 123 abc ", dataMap));
        assertEquals("１２３ あいう", documentHelper.getContent(null, responseData, "　１２３　あいう　", dataMap));
        assertEquals("12 ab", documentHelper.getContent(null, responseData, " 123\nabc ", dataMap));
        assertEquals("12", documentHelper.getContent(null, responseData, " 123abc ", dataMap));
    }

        "email": "******@****.***",
        "hashed_password": "$2b$12$EixZaYVK1fsbw1ZfbX3OXePaWxn96p36WQoeG6Lruj3vjPGga31lW",
        "disabled": False,
    },
    "alice": {
        "username": "alice",
        "full_name": "Alice Chains",
        "email": "******@****.***",
        "hashed_password": "$2b$12$gSvqqUPvlXP2tfVFaWK1Be7DlH.PKZbv5H8KnzzVgXXbVxpva.pFm",
        "disabled": True,
    },
}

////

Обратите внимание на метод `__init__`, используемый для создания экземпляра класса:

//// tab | Python 3.10+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="12"
{!> ../../docs_src/dependencies/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.6+

```Python hl_lines="13"