title: os.system not working, but typing the same thing into the command prompt works
body: <p>I am trying to run python abaqus through the command prompt using </p>
  
  <pre><code>os.system('abaqus CAE noGUI=ODBMechens')
  </code></pre>
  
  <p>It doesn't seem to run anything, but if I go to the command prompt myself and type in</p>
  
  <pre><code>abaqus CAE noGUI=ODBMechens
  </code></pre>
  
  <p>it works. I am using python 2.7 on Windows 10.
  Thanks</p>