title: list comprehension to combine 2 lists
body: <p>I have two sequence as below</p>
  
  <pre><code>t = [[1,2,3],[4,5,6],[7,8,9]]
  alpha = ['a','b','c']
  </code></pre>
  
  <p>How to use list comprehension to modify t as below:-</p>
  
  <pre><code>t = [[1,2,3,'a'],[4,5,6,'b'],[7,8,9,'c']]
  </code></pre>