Karthikeyan Singaravelan <[email protected]> added the comment:
I think this is an explicit decision to remove it in Python 3 unless I am
mistaking the syntax you are referring to. Please refer :
https://www.python.org/dev/peps/pep-3113/ . A note on 2to3 to fix this :
https://www.python.org/dev/peps/pep-3113/#transition-plan
➜ cpython git:(master) python2
Python 2.7.14 (default, Mar 12 2018, 13:54:56)
[GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> (lambda x, (y, z): [x, y])(1, (2, 3))
[1, 2]
>>> (lambda x, (y, z): [x, y, z])(1, (2, 3))
[1, 2, 3]
➜ cpython git:(master) python3
Python 3.6.4 (default, Mar 12 2018, 13:42:53)
[GCC 4.2.1 Compatible Apple LLVM 7.0.2 (clang-700.1.81)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> (lambda x, (y, z): [x, y, z])(1, (2, 3))
File "<stdin>", line 1
(lambda x, (y, z): [x, y, z])(1, (2, 3))
^
SyntaxError: invalid syntax
Thanks
----------
nosy: +xtreak
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<https://bugs.python.org/issue34339>
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