Summary
So much learned... What can I say! No harm trying, right? Well, we have seen how to write HTML forms; read forms with Flask; write WTForms forms; validate form data with plain Python and form validators; and write custom validators. We also saw how to use Flask-WTF to write and validate our forms and how to protect our applications against CSRF attacks.
In the next chapter, we'll look at how to store our Web application data in relational and non-relational databases using great, easy-to-use libraries and how to integrate them with Flask. A brief overview on databases will also take place to make for smoother knowledge absorption.
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