"get": {
                    "responses": {
                        "200": {
                            "description": "Successful Response",
                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {

            "paths": {
                "/user/": {
                    "post": {
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {
                                    "application/json": {
                                        "schema": {

from dataclasses import dataclass
from typing import Union

from fastapi import FastAPI


@dataclass
class Item:
    name: str
    price: float
    description: Union[str, None] = None
    tax: Union[float, None] = None


app = FastAPI()


@app.post("/items/")
async def create_item(item: Item):

plugins {
    id("gradlebuild.kotlin-shared-runtime")
}

description = "Provides Kotlin DSL code that is shared between build-logic and runtime"

dependencies {
    compileOnly(platform("gradlebuild:build-platform"))
    compileOnly(kotlin("stdlib"))
    compileOnly("org.ow2.asm:asm-tree")
    compileOnly("com.google.code.findbugs:jsr305")
    compileOnly("org.jspecify:jspecify")

```Python hl_lines="3  5-6"
{
    "name": "Baz",
    "description": None,
    "price": 50.2,
    "tax": 10.5,
    "tags": []
}
```

plugins {
    id("gradlebuild.build-logic.kotlin-dsl-gradle-plugin")
    id("gradlebuild.build-logic.groovy-dsl-gradle-plugin")
}

description = "Provides plugins that create update tasks for the Gradle build"

dependencies {
    implementation("gradlebuild:basics")
    implementation("gradlebuild:module-identity")
    implementation("com.google.code.gson:gson")
    implementation("org.jsoup:jsoup")

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: list = []


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

from typing import Union

from pydantic.v1 import BaseModel


class Item(BaseModel):
    name: str
    description: Union[str, None] = None

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel


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


app = FastAPI()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):

```Python hl_lines="3  5-6"
{
    "name": "Baz",
    "description": None,
    "price": 50.2,
    "tax": 10.5,
    "tags": []
}
```