Fastapi Tutorial | Pdf

# GET endpoint to retrieve all items @app.get("/items/") def read_items(): return items

app = FastAPI()

Create a new file called main.py and add the following code: fastapi tutorial pdf

from fastapi import FastAPI from pydantic import BaseModel # GET endpoint to retrieve all items @app

from fastapi import FastAPI

# GET endpoint to retrieve a single item by ID @app.get("/items/{item_id}") def read_item(item_id: int): for item in items: if item["id"] == item_id: return item return {"error": "Item not found"} fastapi tutorial pdf

@app.get("/") def read_root(): return {"message": "Welcome to FastAPI"} This code creates a basic FastAPI application with a single endpoint at / .