I have Column A that contains my list of storage tube IDs, then Column B that contains the IDs of tubes that have been removed from their box and used. The IDs in both columsn are out of order, so it is hard for me to mark off which ones of the tubes in Column A have been used by looking at Column B.
I want to use V lookup to do this. I need to know what tubes in Column B match those in A to note that they have been used and place that information in Column C. I don't care what the notation actually is in Column C, if it is "N/A", as long as I will know that tube from Column B matches Column A.
Can someone write the command for me?
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