title: How can I deep search a Python list?
body: <p>I want to deep search in a list in Python. For example, I want to know that 5 is in <code>my_list</code> or not.</p>
  
  <pre><code>my_list = [2, [3, 4, [2, 3]], 1, [4, [5]]]
  </code></pre>
  
  <p>How can I do that?</p>