title: Python for renaming XML elements
body: <p>I have a XML file where I want to edit or rename elements and save the file. What is the best way to do it. The XML file is given below</p>
  
  <pre><code>&lt;breakfast_menu&gt;
  &lt;food&gt;
      &lt;name&gt;Belgian Waffles&lt;/name&gt;
      &lt;price&gt;$5.95&lt;/price&gt;
      &lt;description&gt;two of our famous Belgian Waffles with plenty of real maple syrup&lt;/description&gt;
      &lt;calories&gt;650&lt;/calories&gt;
  &lt;/food&gt;
  &lt;food&gt;
      &lt;name&gt;Strawberry Belgian Waffles&lt;/name&gt;
      &lt;price&gt;$7.95&lt;/price&gt;
      &lt;description&gt;light Belgian waffles covered with strawberries and whipped cream&lt;/description&gt;
      &lt;calories&gt;900&lt;/calories&gt;
  &lt;/food&gt;
  &lt;food&gt;
      &lt;name&gt;Berry-Berry Belgian Waffles&lt;/name&gt;
      &lt;price&gt;$8.95&lt;/price&gt;
      &lt;description&gt;light Belgian waffles covered with an assortment of fresh berries and whipped cream&lt;/description&gt;
      &lt;calories&gt;900&lt;/calories&gt;
  &lt;/food&gt;
  &lt;food&gt;
      &lt;name&gt;French Toast&lt;/name&gt;
      &lt;price&gt;$4.50&lt;/price&gt;
      &lt;description&gt;thick slices made from our homemade sourdough bread&lt;/description&gt;
      &lt;calories&gt;600&lt;/calories&gt;
  &lt;/food&gt;
  &lt;food&gt;
      &lt;name&gt;Homestyle Breakfast&lt;/name&gt;
      &lt;price&gt;$6.95&lt;/price&gt;
      &lt;description&gt;two eggs, bacon or sausage, toast, and our ever-popular hash browns&lt;/description&gt;
      &lt;calories&gt;950&lt;/calories&gt;
  &lt;/food&gt;
  &lt;/breakfast_menu&gt;
  </code></pre>
  
  <p>How can I change "description" to "details"?</p>