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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.
To those who cant pass the kata:
think about what the Robot have known before its first learning!
Its really a fun trick lol
In Java Verdion I cant understand what the question means
and I check the Discourse and see
To every who cant understand "every 2nd char"
That means "every character of EVEN positions"
Oh , its just a bit hard for those whose first-language was not English like me.
Have fun :)
JAVA Leaner
In fact 5/2 should return 2 if the function return int,
but the example say it would be 2.5,
of course,2 pass the test.
some one should edit it