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[Python-ideas] unify usage of mutable and immutable objects

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On Tue, Feb 28, 2017 at 5:59 AM, 语言破碎处 <mlet_it_bew at 126.com> wrote:> bad example:>     a = set()>     a.add(1)        # return None; "a" changed>     e = a.pop();>That is simply misspelled for your intent.a = set()a |= {1}e = a.pop()-- Keeping medicines from the bloodstreams of the sick; foodfrom the bellies of the hungry; books from the hands of theuneducated; technology from the underdeveloped; and puttingadvocates of freedom in prisons.  Intellectual property isto the 21st century what the slave trade was to the 16th.-------------- next part --------------An HTML attachment was scrubbed...URL: <http://mail.python.org/pipermail/python-ideas/attachments/20170228/48633a72/attachment.html>

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