Problem
Write a Python function using Pandas to clean, merge, and aggregate two disparate client datasets with mismatched timestamps.
Practicing as: Data Scientist interview at GartnerHi, I'll play your Gartner interviewer for the Data Scientist role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.
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