Trong Python 3.6 hoặc lớn hơn (bao gồm Python 3.10) bạn có thể sử dụng kiểu `Union` từ `typing` và đặt trong dấu ngoặc vuông những giá trị được chấp nhận.

In Python 3.10 there's also a **new syntax** where you can put the possible types separated by a <abbr title='also called "bitwise or operator", but that meaning is not relevant here'>vertical bar (`|`)</abbr>.

📤 📚 👜 ✔️ 🤯.

`ContextVar` ✔️ ✍ 🔝 🕹, 💖:

```Python
some_var = ContextVar("some_var", default="default value")
```

⚒ 💲 ⚙️ ⏮️ "🔑" (✅ ⏮️ 📨) ⚙️:

```Python
some_var.set("new value")
```

🤚 💲 🙆 🔘 🔑 (✅ 🙆 🍕 🚚 ⏮️ 📨) ⚙️:

```Python
some_var.get()
```

### ⚒ 🔑 🔢 `async` 🔗 `reset_db_state()`

            # that doesn't have the hashed_password. But because it's a subclass, it
            # would pass the validation and be returned as is.
            # By being a new field, no inheritance will be passed as is. A new model
            # will always be created.
            # TODO: remove when deprecating Pydantic v1
            self.secure_cloned_response_field: Optional[
                ModelField