title: Can you use pickle in Append mode
body: <p>Consider the following example</p>
  
  <pre><code>import pickle
   l1 = [1,2,3,4]
   l2 = [5,6,7,8]
   with open("test.txt", "ab") as fp:   #Pickling
     pickle.dump(l1, fp)
   fp.close()
  
   with open("test.txt", "ab") as fp:   #Pickling
     pickle.dump(l2, fp)
   fp.close()
  
   with open("test.txt", "rb") as fp:   # Unpickling
     b = pickle.load(fp)
  </code></pre>
  
  <p>What would be the output or the value of b?</p>