title: 2D Lists in python
body: <p>I have a 2d list and a class to get users input for row and column and retrieve that object but if that row/column doesn't exist it says that list out of index but i want it return saying error</p>
  
  <p>this is my current code</p>
  
  <pre><code>return self.object[row][column]
  </code></pre>