title: Execute for loop with time
body: <p>I have a for loop like this</p>
  
  <pre><code>for t = 0: 1: 60
      // my code
  end
  </code></pre>
  
  <p>I want to execute my code in 1st, 2nd, 3rd, ..., 60th seconds. How to do this? Also how can I run my code at arbitrary times? For example in 1st, 3rd and 10th seconds?</p>