Why you are using _ and __ instead of just names of variables? For me it is harder to read if I use _ more in one line. Btw nice solution I took same approach, but using just def without lambda.

Bro this is fire!

why? how?

Not much of a best practice; hard to read and understand whole thingy (since there are easier ways), but i'd say it's clever for sure.

as a beginner I need an explanation

wow this is mind blowing

wtf

is this common? or frowned upon? that is in a project

Var naming was too expensive to use without fuel

wow

WTH

flex is on another level

never saw this style, I really like that!! I really needed to look three times before understand it ;)

pretty sure the main objective is in the title of this kata - otherwise using the modulo operator kinda defeats the purpose of this exercise