title: python: creating list from string
body: <p>I have list of strings</p>
  
  <pre><code>a = ['word1, 23, 12','word2, 10, 19','word3, 11, 15']
  </code></pre>
  
  <p>I would like to create a list</p>
  
  <pre><code>b = [['word1',23,12],['word2', 10, 19],['word3', 11, 15]]
  </code></pre>
  
  <p>Is this a easy way to do this?</p>