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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 key in the first line ;-)这么多人解决了这个kata,我估计是你的代码有问题。你可以把你的代码粘贴在这里,我想会有人帮助你的。别忘了勾选spoiler;-)