title: Finding number of times rows of a particular column are repeated using Pandas
body: <p>From a given data frame, I need a new data frame that consists only of those rows of a particular column that is repeated three times using Pandas.</p>
  <p>For eg.
  If my Input Dataframe is</p>
  <p><img src="https://i.stack.imgur.com/7Jfe0.png" alt="Input" /></p>
  <p>then my output data frame should be only of those rows where &quot;NAME&quot; is repeated three times.</p>
  <p><img src="https://i.stack.imgur.com/KqP0Y.png" alt="Output" /></p>