What is a Flask in Python?

Flask is a micro web framework written in Python . It is classified as a microframework because it does not require particular tools or libraries. It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions.

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What are Web services in Python?

Web services can be generally regarded as functions or functionality of applications or systems exposed over the Web using standardised message formats and typically interfaced to other software using traditional APIs , although “message-centric” usage of such services is also possible and may be favoured by certain …

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Is Flask a Web server?

Although Flask has a built-in web server , as we all know, it’s not suitable for production and needs to be put behind a real web server able to communicate with Flask through a WSGI protocol. A common choice for that is Gunicorn—a Python WSGI HTTP server.

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Is FastAPI better than Flask?

Flask is more battle-tested, therefore slightly more reliable , and it’s widely used. FastAPI is a newer, more modern framework known for its speed with lots of built-in support like Pydantic and SwaggerUI. Now that you have a better understanding of each framework, let our faceoff begin!

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