This probably is known, but a potential pitfall (was, for me)
nevertheless. I suspect it is due to hash collisions between 's3' and
's13' in this case? It happens only rarely, depending on the contents of
the set.
>>> S1 = {'s8', 's3', 's2', 's0', 's7', 's6', 's4', 's13', 's14'}
S1 = {'s8', 's3', 's2', 's0', 's7', 's6', 's4', 's13', 's14'}
>>> S2 = {'s8', 's13', 's2', 's0', 's7', 's6', 's4', 's3', 's14'}
S2 = {'s8', 's13', 's2', 's0', 's7', 's6', 's4', 's3', 's14'}
>>> S1
S1
{'s8', 's13', 's2', 's0', 's7', 's6', 's4', 's3', 's14'}
>>> S2
S2
{'s8', 's3', 's2', 's0', 's7', 's6', 's4', 's13', 's14'}
>>> S1==S2
S1==S2
True
>>> str(S1)
str(S1)
"{'s8', 's13', 's2', 's0', 's7', 's6', 's4', 's3', 's14'}"
>>> str(S2)
str(S2)
"{'s8', 's3', 's2', 's0', 's7', 's6', 's4', 's13', 's14'}"
>>> str(S1) == str(S2)
False
--
Ganesh
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