On Fri, Oct 18, 2019 at 5:25 AM Anders Hovmöller <bo...@killingar.net> wrote: > > > > > On 17 Oct 2019, at 17:07, Andrew Barnert <abarn...@yahoo.com> wrote: > > > > On Oct 17, 2019, at 05:08, Anders Hovmöller <bo...@killingar.net> wrote: > >> > >> Well obviously never with literals. But most cases of multiplication > >> aren't with literals. So how can you get a type error when doing > >> > >> a*b > >> > >> is the real question. And the answer is now obvious: any time the > >> programmer thinks a and b are numbers but they are not. > > > > If neither one is a number—in fact, if b is not an integer—you will get a > > TypeError. > > > > Also, the reason you have no idea what’s in these variables is that you > > named them a and b instead of something meaningful. > > No. The reason I don't know is because this is a hypothetical example. In > real code I would "know" BUT BE WRONG because the variable names would be > outright lying. > > / Anders
So if you had 'separator' and 'width', would the variable names be outright lying, or would it then be reasonable to multiply a separator character by a width (eg 80) to create a line? ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/OFBDIOT4SN6FXTLTC4JM5GHXDJJOYDZQ/ Code of Conduct: http://python.org/psf/codeofconduct/
