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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.
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pro
😍
:-)
"Given an array, find the int that appears an odd number of times.
There will always be only one integer that appears an odd number of times."
list suppose to have only one integer with odd count.
in this case these integer have odd count. (9, 2, 5, -2)
So i think, this is a wrong test case.
LMAO
Jeez...
Thats nice!
Thats cool :-)