-1%3=2 how it happened

Question

Python

Answer 1

In Python, the modulo of negative numbers works differently from other languages like C or JavaScript.

Read more details here:
https://stackoverflow.com/questions/3883004/the-modulo-operation-on-negative-numbers-in-python

And "how it happened" by Guido van Rossum himself:
https://python-history.blogspot.com/2010/08/why-pythons-integer-division-floors.html