Is Flask a framework or a library?

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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Is Flask a UI framework?

Created by an international group of Python enthusiasts, Flask is a popular, open-source, and feature-rich micro web framework to make all kinds of web applications. Flask is a micro web application framework written in Python. Flask reduces development time and allows programmers to build faster and smarter.

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