Udemy offers the Machine Learning A-Z: Hands-On Python & R In Data Science Course for $49.99. Coupon code "JYY1202" cuts it to $9.99. (The coupon may apply automatically.) That's $1 under last month's mention, $190 off, and the lowest price we could find. It includes 40.5 hours of video and code templates for working with Python and R.