# 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"}

Let's create a few more endpoints to demonstrate FastAPI's capabilities. Update the main.py file with the following code:

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

To get started with FastAPI, you'll need to install it using pip: