Weekly Challenges

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Solution attached. Fun one.

First approach same as solution file ... Included two other flows with similar logic but different tools.

My Solution

here is my solution !!

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Nice quick one!

Attached my solution

This one got me a bit. I thought I could add a unique value per item and then sum those up and look for unique sums. I came to find out that I think I was still lumping distinct combinations together by random chance of sums equal to each other regardless of unique value assignment.

Solution using transpose to combine items of the same transaction into column.

curated machine learning resources