title: Permission Denied Opening Application in Python Shell
body: <p>I try to open the calculator application with my Python Shell, but it says permission denied here is the final line of what comes out</p>
  
  <blockquote>
    <p>"PermissionError: [Errno 13] Permission denied"</p>
  </blockquote>
  
  <pre><code>    import subprocess
      subprocess.call('/Applications/Calculator.app')
  </code></pre>
  
  <p>I am doing this on a mac, so anyone with a mac should have this application. </p>