https://editor.p5js.org/BowenZhou/full/9FaQkHTwc

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https://editor.p5js.org/BowenZhou/full/lSZ7o1lW1

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I have no idea how to do this exercise. I don’t understand what we just did.

https://editor.p5js.org/BowenZhou/full/sLTSvU1Fn

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