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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.
and in regex="put your regex expression"
TRY BELOW METHOD
regex="put your regex expression"
def search(regex,a):
your logic
return t/f
rKQodlw -> discard KQ and rearrange the letters -> world