title: multilist = [[0 for col in range(colNum)]for row in range(rowNum)]
body: <p>Can someone please elaborate how it is functioning?</p>
  
  <p>Like I am taking a value <code>(3,3)</code></p>
  
  <p><code>colNum</code> is 3 and <code>rowNum</code> is 3.</p>