Rather than keeping it to myself, I'm making public all the little python snippets I create on my GitHub pages. Especially all the things I tend to create over and over because I can't remember on what project I created them last.
Also, I think I'm "pretty good" at Python and coding in general – I have no concern putting "expert" next to Python on a resumé even if it risks Guido or someone of that stature giving an interview – but I'm by no means the last authority. If you see something in my code that could ...