title: How to search tuple with three elements inside list
body: <p>I have a list as below</p>
  
  <pre><code>tlist=[(‘abc’,HYD,’user1’), (‘xyz’,’SNG’,’user2’), (‘pppp’,’US’,’user3’), (‘qq’,’HK’,’user4’)]
  </code></pre>
  
  <p>I want to display the second field tuple of provided first field of tuple.</p>
  
  <pre><code>Ex:
  tlist(‘xyz’) 
  SNG
  </code></pre>
  
  <p>Is there way to get it?</p>