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One commonly used programming technique is *recursion*. With this technique, problems are solved by solving similar problems, but for smaller cases. We can build sets of objects or tasks using *recursive rules* and *initial values*. *Recursive functions* are functions that are self-invoking, using smaller sets or elements each time, until reaching a point where the initial value is used instead of self-invoking. In this laboratory experience, you will practice the definition and implementation of recursive functions to scramble an image and make it incomprehensible.
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