title: No command running on Python 2.7.6
body: <p>I recently installed Python 2.7.6 for 64 bit Windows7. I am trying to run few commands like cd, pwd etc and it is not running either on Windows Command Prompt, or Python Commnad Line. and i am getting the follwoing error:</p>
  
  <pre><code>&gt;&gt;cd Desktop
  
  File "&lt;stdin&gt;", line 1
  
    cd Desktop
             ^
  </code></pre>
  
  <p>I am also not able to execute any .py codes</p>
  
  <p>(I cannot post image as i dont have enough reputations)</p>