If you want to learn about this language that can start a kid on programming, through to teaching an adult about AI, please look through this site. Logo has grown up from it′s parent (LISP). As you get deeper (past the simple turtle commands) you will quickly see similarities between Logo and it′s parent. The "turtle" in early versions used to be a robotic turtle dragging a pen along the floor. The robotic turtle has given way to the screen, which opens up a world of fun for all ages.
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