1, 8)</pre>
</div>

</div>

<div class="output_area">



<div class="output_text output_subarea ">
<pre>Timestamp(&#39;2010-12-01 08:26:00&#39;)</pre>
</div>

</div>

<div class="output_area">



<div class="output_text output_subarea ">
<pre>Timestamp(&#39;2011-09-30 17:22:00&#39;)</pre>
</div>

</div>

<div class="output_area">



<div class="output_text output_subarea ">
<pre>(170978, 8)</pre>
</div>

</div>

<div class="output_area">



<div class="output_text output_subarea ">
<pre>Timestamp(&#39;2011-