title: Finding the index of the maximum value of nested lists Python 3.x
body: <p>I am trying to find the index of the maximum value of nested lists.</p>
  
  <p>I have three lists [[1,2,3,4], [5,6,7,8], [9,10,11,12]]</p>
  
  <p>and I would like my output to give me the index of the value 12</p>
  
  <p>the out put would read:</p>
  
  <p>The location of the largest element is at (2,3).</p>
  
  <p>Thanks!</p>