title: Error zip argument #1 must support iteration
body: <p>When I try to execute this code </p>
  
  <pre><code>g = [1, 2, 3, 4, 5, 6]
  zip(*g)
  </code></pre>
  
  <p>I get the following error</p>
  
  <blockquote>
    <p>zip argument #1 must support iteration</p>
  </blockquote>
  
  <p>I am trying to convert row into column vector</p>
  
  <p>I even tried <code>map(list, zip(*gate))</code> still I get the same error</p>
  
  <p>Please help</p>