Weekly Challenges

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solution

Had to take a look at the solution to understand some aspects of the summarize function.

Challenge #222 completed

Here you go

Complete.

Here is my solution, seems I have a rounding issue as one record is slightly different to the output but all the rest match :)

Sample with group by is powerful.

CHALLLENGE 222

Fun challenge

Challenge #222: Where There's a Whale There's a Way