Convert column to timestamp - Pandas Dataframe : <p>I have a Pandas Dataframe that has date values stored in 2 columns in the below format:</p>

<pre><code>Column 1: 04-APR-2018 11:04:29
Column 2: 2018040415203 
</code></pre>

<p>How could I convert this to a time stamp. Datatype of both these column is Object.</p>
