Alexander Belopolsky schrieb: > Python allows arbitrary sequences after * in calls, but an expression > following ** must be a (subclass of) dict. I believe * and ** should > be treated similarly and since f(*UserList(..)) is valid, > f(**UserDict(..)) should be valid as well. > > Of course, I can work around this limitation by writing > f(**dict(UserDict(..))), but this is unnatural given that I don't have > to do f(*tuple(UserList(..))). > > I have submitted a patch on SF that makes Python accept arbitrary > mappings after **.
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