title: How can I get pandas Timestamp offset by certain amount of months?
body: <p>Suppose I have a pandas Timestamp object t1.</p>
  
  <pre><code>import pandas a pd
  t1=pd.Timestamp('2013-04-01 00:00:00')
  </code></pre>
  
  <p>How can I get another pandas timestamp, offset by k months from t1?</p>