请给我一个tdelta（dtype：timedelta64 [ns]）熊猫数据帧，但是输出以分钟为单位，当我做总和时，它需要几天，但是我需要总计是几秒钟
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<button class="sort_clients" data-column="name" data-direction="asc">Name</button>
<button class="sort_clients" data-column="age" data-direction="asc">Age</button>
<button class="sort_clients" data-column="room" data-direction="asc">Room</button>
<div class="list">
<div class="client" data-name="john" data-age="50" data-room="1 Alpha">John, 50, 1 Alpha</div>
<div class="client" data-name="susan" data-age="80" data-room="2 Beta">Susan, 84, 2 Beta</div>
<div class="client" data-name="brad" data-age="70" data-room="3 Delta">Brad, 70, 3 Delta</div>
<div class="client" data-name="margaret" data-age="45" data-room="Romeo 1">Margaret, 45, Romeo 1</div>
<div class="client" data-name="steph" data-age="75" data-room="Romeo 3">Steph, 75, Romeo 3</div>
<div class="client" data-name="matt" data-age="65" data-room="Romeo2">Matt, 65, Romeo2</div>
</div>输出：（我需要几秒钟） 0 00:05:00 1 00:26:00 2 00:07:00 3 00:06:00 4 00:09:00 dtype：timedelta64 [ns]