app.py

from fastapi import FastAPI
from pydantic import BaseModel
import random

app = FastAPI()

class ResourceItem(BaseModel):
    name: str
    description: str | None = None

@app.get("/")
def read_root():
    return {"Hello": "World!"}

@app.get("/random")
def return_random():
    return {"Random number":int(random.random()*100)}

@app.post("/receive")
def return_received(item: ResourceItem):
    return {'name':item.name,
            'description':item.description}