python strip spaces in tuple
<p>I have</p>

<pre><code>k= (('answer ', ' Answer the call for a channel(answer )'), ('att_xfer ', ' Attended Transfer(att_xfer )'), ('bind_digit_action ', ' Bind a key sequence or regex to an action.(bind_digit_action )'))
</code></pre>

<p>I want to strip all extra spaces. How can I do that</p>
