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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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Your conditional check is somewhat wrong. Your code will fail when
.
arrStr
isnull
for cases likeNo, I said print it, so you can see with what values your function fails.
Print the input value, and if needed, other values to debug your code.
Please read this: https://docs.codewars.com/training/troubleshooting#post-discourse
About your problem:
The sum, not the count.