[docs] [issue41411] Improve and consolidate f-strings docs

Guido van Rossum <guido@python.org> added the comment: Note that there already is something in the tutorial about f-strings (in inputoutput.rst, labeled tut-f-strings), and the intro has a link to their reference manual description in the "see also" section. ---------- _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue41411> _______________________________________