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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.
Why do you need to use a global var? It keeps its value between tests.
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Since I Can't open the picture,I don't know how the characters were arranged.
i tried to see my keyborad,but a is not beside b.
so i am very confused ...