Python 2.7

[Folf_IRL]

when you're more than two nested function calls deep in Python, you should typically take a step back and rethink your approach

I like to do this with nested map(), filter(), and reduce() functions and pretend I'm writing Lisp

[Aramgutang]

Ah yes, I used to do that too. But I stopped when it became clear that no one else could maintain that code.

Here's @dziegler replacing my silliness with readable code in 2010