var number = 30;

​

​

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  fill('red');

  // ellipse(50,200, numbers[0], numbers[0]);

  // ellipse(150,200, numbers[1], numbers[1]);

  // ellipse(250,200, numbers[2], numbers[2]);

  // ellipse(350,200, numbers[3], numbers[3]);

​

  for(i = 0;i<numbers.length;i++){ //numbers.length

        ellipse(100*i+50,200, numbers[i], numbers[i]);

}

}