Ruby has a culture around it too: https://www.justinweiss.com/articles/3-ways-to-monkey-patch-...

And you can get some of the patching effect in any language with uniform function/method calls, though typically with a little more scoping and thus less ability to inflict unexpected side effects: https://en.wikipedia.org/wiki/Uniform_Function_Call_Syntax

For pretty much the past decade (specially the last few years) I feel the culture has shifted to consider core monkey patches as a pretty bad practice.

Sure, but it's also a bad practice in Javascript.

And Swift! https://docs.swift.org/swift-book/LanguageGuide/Extensions.h...

If people could muck with builtins in Python, they would. And worse, they'd do it with inheritance and metaclasses. I say this as a Python dev.

Python3 mucked with built in types...

I don't think monkey patching is really common in any version of python. I've not seen it done anywhere.

Setuptools monkeypatches distutils. Pip always uses setuptools so pretty much everything installed via Pypi is the fruit of a monkeypatch.

Talking about the intro of bytes, bytearrays and the not quite the same types that were backported to 2.x