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Now, install FastAPI and Uvicorn, an ASGI server that will run your application: pip install fastapi uvicorn Creating Your First API Create a file named main.py and add the following code: from fastapi import FastAPI app = FastAPI() @app.get("/")def read_root():return {"Hello": "World"}

This tutorial serves as a comprehensive guide for those looking to master FastAPI, whether you are reading this online or saving it as a PDF for offline study. Introduction to FastAPI fastapi tutorial pdf

The --reload flag makes the server restart after code changes, which is perfect for development. You can now access your API at http://127.0.0.1:8000. Automatic Documentation Now, install FastAPI and Uvicorn, an ASGI server

In the example above, we saw both path and query parameters. install FastAPI and Uvicorn