On Wed, Jun 13, 2018 at 6:45 PM, Mikhail V <mikhail...@gmail.com> wrote:
> Another point is that people do like augmented operators much and for the > append - there are so many advises like: hey, use L += [item] ! > another data point -- in teaching, a number of newbie students do exactly that. Actually, they do: a_list += an_item and find it does not do what they want, and then the get confused, and I show that they need: a_list += [an_item] or a_list.append(an_item) (this gets particularly confusing them an_item is, itself, a sequence (a string is really common). So it would be nice to have an operator version of append -- but given the limited number of operators, and their usual uses, I suspect it would cause even more confusion... But throwing it out there, how about (ab)using the mat_mul operator: a_list @= an_item Another note: One of the major motivations for augmented assignment was being able to support in-place operations for numpy: an_array += something which was MUCH nicer notation that was was required: np.sum(an_array, something, out=an_array) That is a much bigger win than going from .append() to an operator. -CHB -- Christopher Barker, Ph.D. Oceanographer Emergency Response Division NOAA/NOS/OR&R (206) 526-6959 voice 7600 Sand Point Way NE (206) 526-6329 fax Seattle, WA 98115 (206) 526-6317 main reception chris.bar...@noaa.gov
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