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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.
I have even know that 'S'=='s' until I pass this test haha they are not the same btw difference in ascii code
for your programme as exemple in C language if an alphabet in input string is upper and the same character occure or repeated with lower cas it should be the same :)
wtf hhhh
chdiiiiid hhhh