Learn in-demand skills on the go!

Free courses in Swift, Python, Javascript, HTML/CSS, Data Science and more.

Featured by the TechCrunch, Product Hunt and the Yale Daily News.

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Interactive:
Run code, write programs, ace quizzes.

Personalized to You:
Py figures out what you’re weak in and reviews it to keep you sharp.

Progress:
Earn points. Complete challenges. Level up. Learn more.

Streak:
Get rewarded for hard work. Learn on consecutive days to go on a streak!

Content created and reviewed by people at Google, Facebook, Yale, and NASA.

Have questions? Feel free to reach out to us at [email protected]