title: Count Unique Text and value count
body: <p>I would like to get the result unique count value/text/ etc </p>
  
  <pre><code>      A      B
  
  2   BADER   111  
  3   FAISA   112  
  4   NASSE   113  
  5   NASSE   113  
  6   MOHS    121  
  7   ASI     122  
  8   AHME    100  
  9   AHME    100  
  10  AHME    100  
  11  ASI     122 
  </code></pre>
  
  <p>RESULT AS BELOW.  </p>
  
  <pre><code>      A      B
  
  2   BADER   111  
  3   FAISA   112  
  4   NASSE   113  
  5   NASSE   113  
  6   MOHS    121  
  7   ASI     122  
  8   AHME    100  
  9   AHME    100  
  10  AHME    100  
  11  ASI     122  
  </code></pre>
  
  <p><code>6         6</code></p>