Welcome An introduction to programming using a language called Python. Learn how to read and write code as well as how to test and “debug” it. Designed for students with or without prior programming experience who’d like to learn Python specifically.
CS50 Python is an introduction to programming using a language called Python. Learn how to read and write code as well as how to test and “debug” it. This course is designed for students with or without prior programming experience who’d like to learn Python specifically.
This is CS50x 2025. 🎉 Curious how your 2024 work counts toward the 2025 course? See our FAQsif you started in 2024 or earlier. Interested in a verified certificate, a professional certificate, or transfer credit and accreditation? This is CS50 CS50’s Introduction to Computer Science OpenCourseWare Donate David J. Malan
If you submit and receive a score of at least 70% on each of this course’s problems as well as its final project, you will be eligible for a free CS50 Certificate like the below.
Lecture Audio MP3 Notes Slides Google Slides PDF Source Code Index PDF Zip Subtitles Transcript Video CS50 Video Player MP4 YouTube Shorts Visual Studio Code for CS50 Functions Variables Return Values Side Effects Problem Set 0
Through hands-on projects, students gain exposure to the theory behind graph search algorithms, classification, optimization, machine learning, large language models, and other topics in artificial intelligence as they incorporate them into their own Python programs.
CS50 Web: Web Programming with Python and JavaScript. Your college or university, present or future, may accept our courses that are included in the ACE National Guide and for which you have earned an edX verified certificate.