```

////

//// tab | 🐍 3️⃣.9️⃣ & 🔛

```Python hl_lines="1"
{!> ../../docs_src/python_types/tutorial007_py39.py!}
```

////

👉 ⛓:

* 🔢 `items_t` `tuple` ⏮️ 3️⃣ 🏬, `int`, ➕1️⃣ `int`, & `str`.
* 🔢 `items_s` `set`, & 🔠 🚮 🏬 🆎 `bytes`.

####  #️⃣

🔬 `dict`, 👆 🚶‍♀️ 2️⃣ 🆎 🔢, 🎏 ❕.

🥇 🆎 🔢 🔑 `dict`.

🥈 🆎 🔢 💲 `dict`:

//// tab | 🐍 3️⃣.6️⃣ & 🔛

    return delegate().poll(timeout, unit);
  }

  @Override
  public int drainTo(Collection<? super E> c) {
    return delegate().drainTo(c);
  }

  @Override
  public int drainTo(Collection<? super E> c, int maxElements) {
    return delegate().drainTo(c, maxElements);
  }

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p3

type ThirdBase struct{}

func (tb *ThirdBase) GoodPlayer() (i, j, k int)

	if err := globalConfigSys.Init(newObject); err != nil {
		if configRetriableErrors(err) {
			return fmt.Errorf("Unable to initialize config system: %w", err)
		}

		// Any other config errors we simply print a message and proceed forward.
		configLogIf(ctx, fmt.Errorf("Unable to initialize config, some features may be missing: %w", err))
	}

	return nil
}

func setGlobalInternodeInterface(interfaceName string) {

    price: float
    tax: float | None = None


class User(BaseModel):
    username: str
    full_name: str | None = None


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item, user: User, importance: int = Body()):
    results = {"item_id": item_id, "item": item, "user": user, "importance": importance}

from pydantic import BaseModel, Field
from typing_extensions import Literal

app = FastAPI()


class FilterParams(BaseModel):
    class Config:
        extra = "forbid"

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: List[str] = []


@app.get("/items/")
async def read_items(filter_query: FilterParams = Query()):

from fastapi import FastAPI, Query
from pydantic import BaseModel, Field

app = FastAPI()


class FilterParams(BaseModel):
    model_config = {"extra": "forbid"}

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")
async def read_items(filter_query: Annotated[FilterParams, Query()]):

from typing import Union

from fastapi import Depends, FastAPI

app = FastAPI()


async def common_parameters(
    q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: dict = Depends(common_parameters)):
    return commons


@app.get("/users/")
async def read_users(commons: dict = Depends(common_parameters)):

from typing import Annotated, Union

from fastapi import Depends, FastAPI

app = FastAPI()


async def common_parameters(
    q: Union[str, None] = None, skip: int = 0, limit: int = 100
):
    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
    return commons


@app.get("/users/")

---

Другой полезный случай - когда вы хотите чтобы ключи были другого типа данных, например, `int`.

Именно это мы сейчас и увидим здесь.

В этом случае вы принимаете `dict`, пока у него есть ключи типа `int` со значениями типа `float`:

//// tab | Python 3.9+

```Python hl_lines="7"
{!> ../../docs_src/body_nested_models/tutorial009_py39.py!}
```