Explain how Flask extensions enhance the framework's functionality.

It's a fantastic opportunity to delve into one of the strengths of Flask as a micro-framework, especially from the perspective of a Full Stack Developer. Flask, by design, is minimalist and easy to get started with, but its true power lies in how it can be extended through extensions to suit a wide range of application needs. Let me break down the role of Flask extensions and their integration into Flask applications to give a clear picture. Flask extensions are tools that allow developers to add specific functionalities to their Flask application without having to build those features from the ground up. These extensions are often developed to handle common tasks such as form validation, user authentication, database integration, and more...