title: How do you get the index of a number in a linked list?
body: <p>I have a linked list constructed as follows: </p>
  
  <pre><code>LinkedList&lt;int&gt; linked = new LinkedList&lt;int&gt;();
  var array = new int[] { 23, 55, 64, 65 };
  foreach (var item in array)
  {
      linked.AddLast(item);
  }
  </code></pre>
  
  <p>How do I find the index of the number 64?</p>