keep tabs after .split()
<p>I'm working on a small project and I encountered a problem.</p>

<p>I'm reading a file something like this <em>(note, the original file has around 40k rows</em>): </p>

<pre><code>35   IMAGE:1679942   SAMD4   Sterile alpha motif domain   Hs.98259   ATI146610
36   IMAGE:1700154            AI049531
37   IMAGE:1865232            AI269361
</code></pre>

<p>As you can see, there are some cells, which are containing information, and some not.
So I want that in every cell, where no information is stored, an <strong>N/A</strong>. How can I do this?
.split() does make a list without these cells. Is there a solution, how can I keep all these taps in a list i.e. <code>line = ["36", "IMAGE:1700154", "", "", "", "AI049531", ...]</code></p>
