2008/3/5, [EMAIL PROTECTED] <[EMAIL PROTECTED]>: > > ... > Anyway, if (a,b) is a key in dictionary d, can it guarantee that (b,a) > is also in it, and maps to the same object? > ... >
Well, it's probably not the most effective way, but one can use something
like:
>>> d={frozenset(("a","b")):7}
>>> d[frozenset(("b","a"))]
7
>>> d[frozenset(("b","a"))]=94
>>> d[frozenset(("a","b"))]
94
>>>
HTH
vbr
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