# Define a Pydantic model for our data class Item(BaseModel): id: int name: str description: str
To run the application, use the following command: fastapi tutorial pdf
uvicorn main:app --host 0.0.0.0 --port 8000 This will start the development server, and you can access your API at http://localhost:8000 . # Define a Pydantic model for our data
You can download a PDF version of this tutorial [here](insert link to PDF). fastapi tutorial pdf
# PUT endpoint to update an existing item @app.put("/items/{item_id}") def update_item(item_id: int, item: Item): for existing_item in items: if existing_item["id"] == item_id: existing_item["name"] = item.name existing_item["description"] = item.description return existing_item return {"error": "Item not found"}
# GET endpoint to retrieve all items @app.get("/items/") def read_items(): return items
# POST endpoint to create a new item @app.post("/items/") def create_item(item: Item): items.append(item.dict()) return item