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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.
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Not an issue.
No random tests.
In general a hash isn't ordered, however when making them you might want them ordered for ease of parsing.
Description updated.
That isn't an issue.
Duplicate.
No, that one is more general in some ways, more specific in others.
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Some test cases should be added to fill out this problem and provide concise instruction.
Ordering should be removed from the description.
No test cases with words with apostrophe.
Isn't that a duplicate of http://www.codewars.com/kata/544a247518b8e08af2000251? Or other frequency katas?
Only a couple of small issues, I thought:
4counts, but the?in the test case does not. It'd be good to mention that a word is alphanumeric characters only.This comment is hidden because it contains spoiler information about the solution