Visualize your Python code while you type it in PyCharm, Emacs, Sublime Text, or even your browser. Live coding tightens the feedback loop between making a change to your code and seeing the behaviour ...
UPDATE 03/13/2023: This plugin is now natively part of Krita as of Krita 5.0. I will keep this code here for reference, but you don't need to install this plugin any longer to get this functionality.