title: How to place each element in a list as a list in another list?
body: <p>I have a list:</p>
  
  <pre><code>list1 = [1,2,3,4,5]
  </code></pre>
  
  <p>I would like to have the output:</p>
  
  <pre><code>list2 = [[1],[2],[3],[4],[5]]
  </code></pre>
  
  <p>I have tried looping over list 1 in various ways but am unsuccessful.</p>