I think you are misinterpreting what the author means. I understand the author to mean this is good:<p>&quot;Python strings have a method, rstrip, for that. You can read about it here: <a href="https:&#x2F;&#x2F;docs.python.org&#x2F;3.5&#x2F;library&#x2F;stdtypes.html#string-methods" rel="nofollow">https:&#x2F;&#x2F;docs.python.org&#x2F;3.5&#x2F;library&#x2F;stdtypes.html#string-met...</a>. I find Googling &#x27;python docs x&#x27;, where x is what you&#x27;re looking for is a quick way to see if Python has that thing included in the standard library.&quot;<p>And this is bad:<p>&quot;It&#x27;s in the docs, google for it.&quot;<p>And even worse, a literal:<p>&quot;RTFM.&quot;<p>I understand the author to mean that if you want to say the last two things, don&#x27;t bother.