title: How do I find an item in an array of dictionaries?
body: <p>Suppose I have this:</p>
  
  <pre><code>list = [ { 'p1':'v1' } ,{ 'p2':'v2' } ,{ 'p3':'v3' } ]
  </code></pre>
  
  <p>I need to find p2 and get its value.</p>