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function setup() {
createCanvas(800, 600);
createCanvas(windowWidth, windowHeight);
background(0);
noStroke();
for (i = 0; i < 100; i++) {
let diameter = random(5, 200);
fill(random(0, 127), random(0, 255), random(127, 255), 127);
ellipse(random(width), random(height), diameter, diameter);
}
}