what does the role of l.strip() in this statement
<pre><code>lines = [l.split() for l in inpf.readlines() if l.strip()]
</code></pre>

<p>In the above statement, what does <code>l.strip()</code> do? </p>

<pre><code>lines = [l.split() for l in inpf.readlines()]. 
</code></pre>

<p>Will the above statement will not suffice?</p>
