Explore the world of functors in Python programming through this 23-minute conference talk from Conf42 Python 2024. Dive into various functor types, including covariant, contravariant, applicative, and bifunctors. Learn about category theory concepts, side effects in IO, partial functions, and composability. Discover how functors can enhance code organization and flexibility. Examine practical examples of different functor implementations and their applications in Python. Gain insights into advanced topics like closed categories, profunctors, and the star/costar relationship. By the end of this talk, acquire a comprehensive understanding of functors and their role in modern Python development.