Raymond Hettinger added the comment:
As Brett says, the place to propose this is on python-ideas.
I'm going to mark it here as closed/rejected because it will likely have to go
through a lengthy process (possibly including a PEP) before having a chance of
being accepted. Please don't take this as discouragement. It is just that the
tracker is the wrong forum for the conversation to start.
On the plus side, the idea does seem like a nice convenience. On the minus
side, we really like that inconveniences serve as a nudge to not put too much
inside a list comprehension and use a regular for-loop instead. Also, Guido in
the past has resisted similar suggestions for making assignments inside a
while-loop conditional expression ("while (f.read(10) as block) != '': ...).
----------
nosy: +rhettinger
resolution: -> rejected
stage: -> resolved
status: open -> closed
versions: +Python 3.7
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<http://bugs.python.org/issue30471>
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