Re: [Python-Dev] PEP needed for http://bugs.python.org/issue9232 ?

2015年8月11日 08:06:03 -0700

On Wed, Aug 12, 2015 at 12:46 AM, R. David Murray <[email protected]> wrote:
> (If you wanted to fix an 'oops' trailing comma syntax issue, I'd vote for
> disallowing trailing commas outside of (). The number of times I've
> ended up with an unintentional tuple after converting a dictionary to a
> series of assignments outnumbers both of the above :) Note, I am *not*
> suggesting doing this!)
Outside of any form of bracket, I hope you mean. The ability to leave
a trailing comma on a list or dict is well worth keeping:
func = {
 "+": operator.add,
 "-": operator.sub,
 "*": operator.mul,
 "/": operator.truediv,
}
ChrisA
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