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wasted time in removing unwanted characters from the description column, realized that I don't need it to solve this problem.Anyways, will come back to this, so that I can learn how to remove codes between text.Easy exercise
Thanks to EMEA group at JLL for teaching me how to exclude non-printable Ascii characters in Regex even though it was not strictly required for the challenge.
Question 1 - First one matches the solution which calculates an average of averages. Second one takes the Sum(ratings * rating count)/Sum(rating count)
Really fun challenge, learned some new Regex as a team, and inspired great conversation re: should we be averaging averages?
Here is my solution.