In this podcast episode, the hosts interview Tony Roberts, the creator of PyXLL, a Python Excel Add-in known as "pixel," exploring its origins, features, and the motivations behind its development. The discussion includes PyXLL's unique functionalities, market validation, and success stories, alongside insights into running the add-in as a business and future plans, particularly in light of Microsoft's new Python in Excel integration. The episode also touches on the use of decorators in PyXLL, where the Python code is executed, and the challenges of scaling and automation, providing a comprehensive view of Python's role in enhancing Excel's capabilities. Additionally, the conversation is punctuated with personal wins, book recommendations, and ways to connect with Tony, offering listeners a deeper understanding of the intersection between Python and Excel.