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Mastering GroupBy in Python: Sum and Count with Two Unique Columns

Mastering GroupBy in Python: Sum and Count with Two Unique Columns

Learn how to effectively use Python's Pandas library to perform a `groupby` operation on two distinct columns, calculating both the sum and count efficiently. --- This video is based on the question https://stackoverflow.com/q/68805849/ asked by the user 'Lynn' ( https://stackoverflow.com/u/5942100/ ) and on the answer https://stackoverflow.com ...

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