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Algorithms are everywhere around us, sorting, searching, recommending and rating. Sometimes it’s hard to notice an algorithm at work.

Sorting through and searching for items are tasks we do everyday. Searching and sorting are also common tasks for a computer program, so we’ve come up with many step by step descriptions for these tasks.

Plan & play your own video channel - and learn how algorithms work while at it!

Now you’ve met all of Ruby’s friends. Can you remember all of them? Open the file on left hands side and find them from the picture.