let positionY = 200;

let bubbleDiameter = 0;

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background('aqua');

  // bubble

  fill('aquamarine');

  stroke('teal');

  circle(positionX, positionY, bubbleDiameter);

  // text

  fill('azure');

  textSize(bubbleDiameter/2);

  textAlign(CENTER,CENTER);

  text('🤖',positionX, positionY);

  // increase bubbleDiameter if it is less than 300

  if(bubbleDiameter < 300){

     bubbleDiameter++;

  }

}