title: Use a string as a condition in If- else
body: <p>I have a variable which is
  <code>count_process = "time&gt;=20"</code>
  Now i want to use it in a IF condition like</p>
  
  <pre><code>if(time&gt;=20){ do something }
  </code></pre>
  
  <p>How can I do that?</p>