Hi, looking for "dunder" tutorials.

[Larz60+]

Here's a bit, not vouching for any they may be excellent or poor:
https://github.com/python/cpython/blob/m...uiltins.py
Search for 'Callable types' here: https://docs.python.org/3/reference/datamodel.html
http://www.siafoo.net/article/57
https://rszalski.github.io/magicmethods/
https://www.tutorialsteacher.com/python/...-in-python
https://micropyramid.com/blog/python-spe...c-methods/