[docs] [issue32216] Document PEP 557 Data Classes (dataclasses module)

Raymond Hettinger <raymond.hettinger@gmail.com> added the comment:

I'd be interested to help write the PR for this.

I've already started on drafting these docs. Would you like to work together? ---------- nosy: +rhettinger _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue32216> _______________________________________