title: Fetching data using Python & lxml
body: <p>I have a my HTML which looks like below. I would like to get the text which is in the <code>&lt;span class="zzAggregateRatingStat"&gt;</code>. According to the e.g given below I would get 3 and 5.</p>
  
  <p>For this work I am using Python2.7 &amp; lxml</p>
  
  <pre><code>&lt;div class="pp-meta-review"&gt;
  &lt;span class="zrvwidget" style=""&gt;
      &lt;span g:inline="true" g:type="NumUsersFoundThisHelpful" g:hideonnoratings="true" g:entity.annotation.groups="maps"    g:entity.annotation.id="http://maps.google.com/?q=Central+Kia+of+Irving++(972)+659-2204+loc:+1600+East+Airport+Freeway,+Irving,+TX+75062&amp;gl=US&amp;sll=32.83624,-96.92526" g:entity.annotation.author="AIe9_BH8MR-1JD_4BhwsKrGCazUyU5siqCtjchckDcg5BAl5rOLd9nvhJJDTrtjL-xFI8D42bD_7"&gt;
          &lt;span class="zzNumUsersFoundThisHelpfulActive" zzlabel="helpful"&gt;
              &lt;span&gt;
                  &lt;span class="zzAggregateRatingStat"&gt;3&lt;/span&gt;
              &lt;/span&gt;
              &lt;span&gt;
                  &lt;span&gt;&amp;nbsp;&lt;/span&gt;
                        out of
                  &lt;span&gt;&amp;nbsp;&lt;/span&gt;
              &lt;/span&gt;
              &lt;span&gt;
                  &lt;span class="zzAggregateRatingStat"&gt;5&lt;/span&gt;
              &lt;/span&gt;
              &lt;span&gt;
                  &lt;span&gt;&amp;nbsp;&lt;/span&gt;
                      people found this review helpful.
              &lt;/span&gt;
         &lt;/span&gt;
     &lt;/span&gt;
  &lt;/span&gt;
  &lt;/div&gt;
  </code></pre>