[docs] [issue14097] Improve the "introduction" page of the tutorial

Georg Brandl <georg@python.org> added the comment: Well, I guess some people will always be blind to the finer distinctions in the scientific meaning of words... but that doesn't mean we should apply them where they don't. ---------- nosy: +georg.brandl _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue14097> _______________________________________