Fastapi Tutorial Pdf May 2026

pip install fastapi

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

To get started with FastAPI, you'll need to install it using pip: pip install fastapi # GET endpoint to retrieve

# 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"} use the following command:

To run the application, use the following command: