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function setup() { createCanvas(400, 400);}function draw() { if (frameCount < 120) { // for the first 2 seconds, we will draw draw1 draw1(); } else if (frameCount < 240) { // after that, and before the first 4 seconds, we will draw draw2 draw2(); } else if (frameCount > 240) { // otherwise, after 4 seconds, draw draw3 draw3(); }}function draw1() { background("red");}function draw2() { background("blue");}function draw3() { background("green"); }