Rémi Lapeyre <[email protected]> added the comment:
I updated the pull request, now reversed work on the dict and dict views:
➜ cpython git:(master) ./python.exe
Python 3.8.0a0 (heads/master-dirty:128576b88c, May 23 2018, 16:33:46)
[Clang 9.0.0 (clang-900.0.39.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> d = dict(a=1, b=2)
>>> list(reversed(d))
['b', 'a']
>>> list(reversed(d.keys()))
['b', 'a']
>>> list(reversed(d.values()))
[2, 1]
>>> list(reversed(d.items()))
[('b', 2), ('a', 1)]
reversed on dict and dict views is not symmetric and applying twice will raise
TypeError which is also the behavior on list. I'm not sure why this behavior
has been chosen but it's coherent.
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<https://bugs.python.org/issue33462>
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