title: How to compare a list of lists/sets in python?
body: <p>What is the easiest way to compare the 2 lists/sets and output the differences? Are there any built in functions that will help me compare nested lists/sets?</p>
  
  <p>Inputs:</p>
  
  <pre><code>First_list = [['Test.doc', '1a1a1a', 1111], 
                ['Test2.doc', '2b2b2b', 2222],  
                ['Test3.doc', '3c3c3c', 3333]
               ]  
  Secnd_list = [['Test.doc', '1a1a1a', 1111], 
                ['Test2.doc', '2b2b2b', 2222], 
                ['Test3.doc', '8p8p8p', 9999], 
                ['Test4.doc', '4d4d4d', 4444]]  
  </code></pre>
  
  <p>Expected Output:  </p>
  
  <pre><code>Differences = [['Test3.doc', '3c3c3c', 3333],
                 ['Test3.doc', '8p8p8p', 9999], 
                 ['Test4.doc', '4d4d4d', 4444]]
  </code></pre>