title: How to get List from Django Model (instead of Map of fields)
body: <p>I have a Model called Patient. In this table I have a field:<code>id</code> and <code>condition</code>. So, If I want to get the <code>id</code>s given the condition, I can use this following syntax.</p>
  
  <pre><code>ids = list(Patient.objects.filter(condition='sick').values(id))
  </code></pre>
  
  <p>So the ids will contains a list of map:</p>
  
  <pre><code>ids = [{id: 123}, {id=345}, ...]
  </code></pre>
  
  <p>However, instead of map, I want to simply get the list like shown below:</p>
  
  <pre><code>ids = [123, 345, ...]
  </code></pre>
  
  <p>How can I achieve this from Django query?</p>
  
  <p>Thanks.</p>