What is an algorithm? Algorithms are one of the four cornerstones of Computer Science. An algorithm is a plan, a set of step-by-step instructions to solve a problem.

GCSE OCR Designing, creating and refining algorithms - OCR Pseudocode Algorithms are step-by-step plans for solving problems. Algorithms can be designed using pseudocode and flow diagrams.

And, of course, Python is used extensively within Netflix's machine-learning algorithms for things like content recommendations, artwork personalization, and marketing.