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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.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
Elegant solution!
Question: The details say to note that "it may happen that the input string have leading, trailing whitespaces and more than a unique whitespace between two consecutive numbers". This solution and many others don't seem to account for that i.e. if there are multiple whitespaces between numbers then there is inconsistent spacing in the output string.