Recursion can be tricky to grasp. Professor Thorsten Altenkirch uses Python to demonstrate an example taken from his latest book.

More on recursion:    • Recursion Explained  
EXTRA BITS:    • EXTRA BITS: Discussing Recursion  Co...  

Thorsten & Isaac's Python programming book: https://bit.ly/2p3r5IT

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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com