title: How to select a range of row of data from dataframe?
body: <p>for eg.</p>
  <pre><code>     name
  0    a
  1    b
  2    c
  3    d 
  .    .
  .    .
  .    .
  59   .
  </code></pre>
  <p>I want to select data from range 25 to 40.</p>