Тепер модифікуйте файл `main.py`, щоб отримати вміст запиту `PUT`.

Оголошуйте вміст запиту за допомогою стандартних типів Python завдяки Pydantic.

```Python hl_lines="4  9-12  25-27"
from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float
    is_offer: Union[bool, None] = None


@app.get("/")

                                    </la:info>
                                    <la:errors/>
                                </div>
                                    <%-- Form Fields --%>
                                <table class="table table-bordered">
                                    <tbody>
                                    <c:if test="${id != null}">

// the environment values from a file, in the form "key, value".
// in a structured form.
func minioEnvironFromFile(envConfigFile string) ([]envKV, error) {
	f, err := Open(envConfigFile)
	if err != nil {
		return nil, err
	}
	defer f.Close()
	var ekvs []envKV
	scanner := bufio.NewScanner(f)
	for scanner.Scan() {
		ekv, err := parsEnvEntry(scanner.Text())
		if err != nil {

                                    </la:info>
                                    <la:errors/>
                                </div>
                                    <%-- Form Fields --%>
                                <table class="table table-bordered">
                                    <tbody>
                                    <tr>

   *
   * This omits duplicate information when possible.
   */
  override fun toString(): String {
    return buildString {
      val addressHostname = address.url.host // Already in canonical form.
      val socketHostname = socketAddress.address?.hostAddress?.toCanonicalHost()

      when {
        ':' in addressHostname -> append("[").append(addressHostname).append("]")
        else -> append(addressHostname)

//	var spd sparseDatas = []sparseEntry{
//		{Offset: 2,  Length: 5},  // Data fragment for 2..6
//		{Offset: 18, Length: 3},  // Data fragment for 18..20
//	}
//	var sph sparseHoles = []sparseEntry{
//		{Offset: 0,  Length: 2},  // Hole fragment for 0..1
//		{Offset: 7,  Length: 11}, // Hole fragment for 7..17
//		{Offset: 21, Length: 4},  // Hole fragment for 21..24
//	}
//

tr(0,4),a=a.split("").map(function(a){var b=a.charCodeAt(0);return b>="A".charCodeAt(0)&&b<="Z".charCodeAt(0)?b-"A".charCodeAt(0)+10:a}).join("");for(var b,c=a;c.length>2;)b=c.slice(0,9),c=(parseInt(b,10)%97).toString()+c.slice(b.length);return parseInt(c,10)%97===1},d=function(a){a=a.toUpperCase(),a=a.replace(/\s+/g,"");var c=a.slice(0,2),d=0,e="";for(d=0;d<b.length;++d)if(b[d][0]===c){e=b[d][2];break}if(""===e)return!1;var f=e.match(/(.{3})/g).map(function(a){var b,c=a.slice(0,1),d=parseInt(a....

import pytest
from dirty_equals import IsDict
from fastapi import FastAPI
from fastapi.testclient import TestClient


@pytest.fixture(name="app")
def get_app():
    from docs_src.request_forms_and_files.tutorial001 import app

    return app


@pytest.fixture(name="client")
def get_client(app: FastAPI):
    client = TestClient(app)
    return client


def test_post_form_no_body(client: TestClient):

import pytest
from dirty_equals import IsDict
from fastapi import FastAPI
from fastapi.testclient import TestClient

from ...utils import needs_py39


@pytest.fixture(name="app")
def get_app():
    from docs_src.request_forms_and_files.tutorial001_an_py39 import app

    return app


@pytest.fixture(name="client")
def get_client(app: FastAPI):
    client = TestClient(app)
    return client


@needs_py39

  }

  /** CASes the busy field from 0 to 1 to acquire lock. */
  final boolean casBusy() {
    return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1);
  }

  /**
   * Computes the function of current and new value. Subclasses should open-code this update
   * function for most uses, but the virtualized form is needed within retryUpdate.
   *