Recursion In Python

Kevin Feasel

2017-08-15

Python

Mike Driscoll shows how to create recursive functions in Python:

Recursion is a topic in mathematics and computer science. In computer programming languages, the term recursion refers to a function that calls itself. Another way of putting it would be a function definition that includes the function itself in its definition. One of the first warnings I received when my computer science professor talked about recursion was that you can accidentally create an infinite loop that will make your application hang. This can happen because when you use recursion, your function may end up invoking itself infinitely. So, as with any other potential infinite loop, you need to make sure you have a way to break out of the loop. The idea in most recursive functions is to break up the procedure being done into smaller pieces that we can still process with the same function.

Read on for a couple quick recursion scenarios.

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