18 lines, 2 of them comments · 155 tokens, written in 6 seconds for $0.0001

 1  function setup() { 
 2    createCanvas(400, 400);
 3  }
 4  
 5  function draw() { 
 6    background(220);
 7  
 8    // Position the circle at the mouse's x and y coordinates
 9    let x = mouseX;
10    let y = mouseY;
11  
12    // Draw the circle
13    fill(0, 102, 153);
14    stroke(255);
15    strokeWeight(2);
16    ellipse(x, y, 50, 50);
17  }
18