title: Combining elements in a list - OCaml
body: <p>Is it possible to create a list by combing elements of a list rather than creating a list of lists?</p>
  
  <p>Example:</p>
  
  <pre><code>List.combine ["A";"B"] ["C";"D"];;
  </code></pre>
  
  <p>I get:</p>
  
  <pre><code>[("A", "C"); ("B", "D")]
  </code></pre>
  
  <p>Is it possible to generate <code>["A";"B";"C";"D"]</code> ?</p>