void setup (){
    size(600, 600);//size of canvas

    background(120, 0, 11);//bachground colour HSB

}

void draw() {//opens draw loop which runs on loop

noStroke();
fill(230, 45, 45);
    ellipse(34, 34, 50, 50);//draws a cricle at x and y coords 34, 34 with size 50 by 50
    ellipse(134, 134, 50, 50);//draws another circle
    ellipse(234, 234, 50, 50);//draws another circle
    ellipse(334, 334, 50, 50);//"""
    ellipse(434, 434, 50, 50);//"""
    ellipse(534, 534, 50, 50);//"""
    noStroke();
    fill(230, mouseX, mouseY, 50);//fill is pretty and ranges in a rainbow
    ellipse(mouseX, mouseY, 50, 50);//new circle same diameter as the others but it can move around




}