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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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They are essentially grouping by the first day in each month. When in reality grouping by month could have just been 2020-01 (Jan 2020), 2020-02 (Feb 2020), 2020-03 (Mar 2020) and so on, they opted to adding a '-01' to each grouping. It results in the same output by month but is not necessarily needed in my opinion.
Not sure why everyone is hating on this Kata, everything worked out as expected. The issues previously noted by people did not appear to still be issues.
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This is now defined in the problem statement near the end.
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This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
I have everything done except this, not sure what other function to use...I don't want to have to manually extract the month number from the date but might have to...
I am having this am having this same problem, did you end up finding out why?
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