getting unique values from a list of dict
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/6280978/how-to-uniqify-a-list-of-dict-in-python">how to uniqify a list of dict in python</a>  </p>
</blockquote>



<p>I have a list as follows</p>

<pre><code>[
{'x':'1','y':'1'},{'x':'2','y':'2'},{'x':'1','y':'1'}
]
</code></pre>

<p>I want to get a new list as follows (unique elements)</p>

<pre><code>[
{'x':'1','y':'1'},{'x':'2','y':'2'}
]
</code></pre>

<p>What's the best way?</p>
