CS50 is an introductory course on computer science taught at Harvard University and available for free on edX. This course is well-regarded and popular for its engaging teaching style and hands-on approach to learning computer science fundamentals. The course is often referred to simply as “CS50.”

In terms of Python, CS50 has an introduction to the Python programming language as part of the course curriculum. Python is a high-level, interpreted programming language that is widely used in the industry due to its readability and simplicity. It’s also a versatile language, suitable for a range of tasks including web development, data analysis, machine learning, artificial intelligence, and more.

In CS50, Python is introduced after students have first cut their teeth on C, a lower-level programming language. The shift to Python allows students to learn about higher-level concepts and more abstract data types, and to write more complex programs with less code. Students get to explore topics like algorithms, data structures, resource management, software engineering, and web development in both C and Python.

Please note that the specific curriculum of CS50 may change over time as the field of computer science evolves and as teaching methods are refined, so the information might be slightly different if you’re looking at a course edition after my last training cut-off in September 2021.