FASTAPI in Python | Create REST API using FASTAPI framework in python | SWAGGER UI

Published: 19 September 2025
on channel: Azure Content : Annu

458

from typing import Union
import uvicorn
from fastapi import FastAPI

app = FastAPI()

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

@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):
return {"item_id": item_id, "q": q}

if _name_ == "__main__":
uvicorn.run(app, host="127.0.0.1", port=5049)

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