title: Converting each element of a list to tuple
body: <p>to convert each element of list to tuple like following :</p>
  <pre><code>l = ['abc','xyz','test']
  </code></pre>
  <p>convert to tuple list:</p>
  <pre><code>newl = [('abc',),('xyz',),('test',)]
  </code></pre>
  <p>Actually I have dict with keys like this so for searching purpose I need to have these.</p>