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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.
Nice subscripting in the return value
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Could be. Will try it out later..
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what is broken is your code; and the tests do free your returned string
some mistakes that i see :
str(n)cat
on an uninitialized bufferThis comment is hidden because it contains spoiler information about the solution
I was just reading about 30,000 lines of code functions with 12 nested if statements :) now I know who wrote them haha
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That's what the 'if s' conditional determines, as an empty string '' s evaluates to not s
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