There's a concrete object-oriented Python implementation of much of abstract algebra is Sage. You can see some of that here: https://github.com/sagemath/sage/

There's a concrete object-oriented Python implementation of much of abstract algebra is Sage. You can see some of that here: https://github.com/sagemath/sage/blob/master/src/sage/structure/element.pyx https://github.com/sagemath/sage/blob/master/src/sage/struct... (Disclaimer: I'm a Sage developer.)