title: Draw square around certain pixels on screen?
body: <p><strong>EDITED as per request to refine:</strong></p>
  
  <p>I'm using CV2 to compare two screen shots with a specified time delay between refreshing the two screenshots. If there's a difference between the two images (by subtracting them) I get the pixel coordinates that are different. </p>
  
  <p><a href="https://i.stack.imgur.com/1QPkm.png" rel="nofollow noreferrer">ScriptRunning</a></p>
  
  <p><strong>What I want to do now</strong> is draw box(or highlight) around where those differences(found pixel coordinates) on the screen are in real time. <strong>Not in an image.</strong> Like a surveillance camera shows a green box around motion in camera footage, I want to do that but on the users screen.</p>
  
  <p>The reason I did the images comparison and refreshing loop in python3 because I know how to do it in python and no other language. I've tried drawing a rectangle using turtle, but that opens a new "turtle window" and draws a box. I want it to highlight whats on the screen in a non-intrusive way. So far, thats the only thing I've tried as I don't really know where to go from here.</p>
  
  <p><strong>EDIT:</strong> </p>
  
  <p>Here's what my current script looks like:</p>
  
  <pre><code>pastebin.com/cYmDNZfv
  </code></pre>