On Wed, Jun 13, 2018 at 5:46 PM, Chris Angelico <ros...@gmail.com> wrote: > On Thu, Jun 14, 2018 at 12:40 AM, Mikhail V <mikhail...@gmail.com> wrote:
>> L1 = L2 ^ item >> is >> L1 = L2 + [item] >> >> and >> L ^= item >> is >> L.append(item) >> or >> L += [item] > > Okay. Now it all is coherent and makes perfect sense... but you're > offering alternative spellings for what we can already do. The only > improvement compared to the + operator is that you don't need to > surround the operand in brackets; in return, it's less general, being > unable to add multiple elements to the list. The only improvement > compared to .append is that it's an operator. There's no connection to > exclusive-or, and there's not a lot of "but it's intuitive" here (cf > Path division). Exactly, IMO it's important to make distinction for the item append. Not only for practical reason, but for semantical distinction, just like append() vs extend() distinction. Otherwise if += is used as append(), it creates an illusion that += _is_ append(). _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
