Problem
Given a list of dictionaries representing Spokeo user profile updates, write an efficient algorithm to merge duplicate profiles based on matching contact rules.
Practicing as: Data Engineer interview at SpokeoHi, I'll play your Spokeo interviewer for the Data Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.
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