title: How to append a value to a bytearray?
body: <pre><code>x=[12,23,36,48] 
  z=bytearray(x)
  z.append(13)
  &gt;&gt;&gt; z
  bytearray(b'\x0c\x17$0\r').
  </code></pre>
  
  <p>I want to append a value in bytearray. It's not given me error but not showing the required result. 
  Please help me out. </p>