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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.
Deixei um If desnecessário ali. Achei que poderia ter algum test-case com frases. Vacilei hahah
Gostei do trim(), eu fiz checagem se era o último caractere. Hahaha. O While é mais elegante também.