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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.
个人感觉这种是日常的处理思路。
到了程序中,固然上面那些够“技巧”。
但你这个处理方法,没必要考虑 >=3时,>=2就已经够了。