title: How can I display the content of a map on the console?
body: <p>I have a <code>map</code> declared as follows:</p>
  
  <pre><code>map &lt; string , list &lt; string &gt; &gt; mapex ; list&lt; string &gt; li;
  </code></pre>
  
  <p>How can I display the items stored in the above map on the console?</p>