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Answers and rating deltas for

How to check whether elements appears in the list only once in python?

Author Votes Δ
Mark Byers 5 +0.64
Johannes Charra 3 +3.47
poke 2 -0.15
aaronasterling 2 -0.44
Ant 1 -3.03
Last visited: Sep 14, 2014, 5:07:29 AM