function setup() {

  createCanvas(600, 600);

  colorMode(HSB, 360, 100, 100);

​

}

​

function draw() {

  background(220);

​

​

  //for(initialize;condition;increment)

  // for (let x = 50; x <= width; x = x + 70) {

  //     for (let w = 50; w >= 0; w = w - 10) {

  //  circle( x, 300, w);

  //   }}

    for (let x = 50; x <= width; x = x + 70) {

     // for (let w = 50; w >= 0; w = w - 10) {

      let a = map(x, 50, width, 50, 10)

     circle( x, 300, a);

     // w = w-10

    }

​

​

​

}