title: how to change 39.54484700000000 to 39.54 and using python
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/455612/python-limiting-floats-to-two-decimal-points">python limiting floats to two decimal points</a>  </p>
  </blockquote>
  
  
  
  <p>i want to set <code>39.54484700000000</code> to <code>39.54</code>  using python ,</p>
  
  <p>how to get it ,</p>
  
  <p>thanks</p>