xxxxxxxxxx
size (400, 400);
background (255);
//we want to use the for loop to draw both the x ad y co-ordinates
for (int y = 20; y < height-10; y = y+ 15) {
for (int x = 20; x < width-10; x = x + 15) {
fill (166, 245, 240); // cool blue color
ellipse (x, y, 10, 10);
}
}