frozenset question

Will McGugan news at
Wed Jul 6 12:30:14 CEST 2005

Qiangning Hong wrote:
> On 7/6/05, Will McGugan <news at> wrote:
>>Are there any benefits in using a frozenset over a set, other than it
>>being immutable?
> A frozenset can be used as a key of a dict:

Thanks, but I meant to imply that.

I was wondering if frozenset was faster or more efficient in some way. 
Thinking back to the dark ages of C++, you could optimize things that 
you knew to be constant.


"".join({'*':'@','^':'.'}.get(c,0) or chr(97+(ord(c)-84)%26) for c in 

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