Yehuda Katz <katye2...@gmail.com> added the comment:
Thank you Dennis for taking the time to answer. Yehuda <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> On Mon, Feb 22, 2021 at 3:21 AM Dennis Sweeney <rep...@bugs.python.org> wrote: > > Dennis Sweeney <sweeney.dennis...@gmail.com> added the comment: > > If I understand correctly, changing the -1 to a -2 does not actually make > the program "crash" -- you just only see one black circle. > > The reason is that range(40, 0, -2) produces 40, 38, 36, etc., all of > which are even numbers, so rad % 2 is always 0, so col[rad % 2] is always > "black". You could try: > > for index, rad in enumerate(range(40, 0, -2)): > dot(5*rad, col[index % 2]) > > In the future, I would suggest asking questions like this on > StackOverflow, since this is not a bug in Python itself. > > ---------- > nosy: +Dennis Sweeney > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <https://bugs.python.org/issue43289> > _______________________________________ > ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue43289> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com