On Wed, Nov 25, 2015 at 7:25 PM, Chris Angelico <ros...@gmail.com> wrote: > On Thu, Nov 26, 2015 at 1:08 PM, Alan Bawden <a...@csail.mit.edu> wrote: >> (Note that nothing in the documentation I can find actually _guarantees_ >> that a Python implementation will only have one unique empty tuple, but >> I wouldn't be suprised if the following is nonetheless true in all >> current implementations: >> >> >>> tuple([]) is tuple([]) >> True >> >> ) > > Jython 2.5.3 (, Oct 8 2014, 03:39:09) > [OpenJDK 64-Bit Server VM (Oracle Corporation)] on java1.7.0_85 > Type "help", "copyright", "credits" or "license" for more information. >>>> tuple([]) is tuple([]) > False > > Python 2.7.8 (2.4.0+dfsg-3, Dec 20 2014, 13:30:46) > [PyPy 2.4.0 with GCC 4.9.2] on linux2 > Type "help", "copyright", "credits" or "license" for more information. >>>>> tuple([]) is tuple([]) > False
Well, he did say all "current" implementations. CPython 2.7 may still be supported, but that doesn't make it current. And anything at 2.5 is just archaic. -- https://mail.python.org/mailman/listinfo/python-list
