Dear Tutors,

I am tring to deal with some repeated data, and hence repeated objects (I 
construct objects from the data).

I had hoped to use a set to uniquify the objects. However, I am having problems 
with defining uniqueness.

I have googled/ looked at the Python docs/ read DITP and Alan's website, but 
I'm still not clear how the set() determines object uniqueness. There seem to 
be some references to __cmp__() and __eq__(), but I'm not clear what I should 
be using.

Any pointers very welcome.

Matt
Sent from my BlackBerry® wireless device
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