title: how to break elements in a python list
body: <p>I have an element in follow list as:</p>
  
  <pre><code>  [0.29839835, [734, 805, 679, 758], 'A']
  </code></pre>
  
  <p>I need to change it to </p>
  
  <pre><code>  [0.29839835, 734, 805, 679, 758, 'A']
  </code></pre>
  
  <p>Just break the inner set of elements [734, 805, 679, 758] from one elements to 4 elements. Any leads pls?</p>