Why is dictionary.keys() a list and not a set?
cito at online.de
Thu Nov 24 19:02:24 CET 2005
>>- Because sets can only contain immutable values
Mike Meyer wrote:
> Not true. Sets can only contain *hashable* objects, which isn't the
> same thing.
I trusted the doco which defines a set as "an unordered collection of
immutable values" (http://docs.python.org/lib/types-set.html).
Anyway, the problems stays the same.
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