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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.
what does - - do in that code
nice!
Using structural pattern matching syntax introduced in Python 3.10
can we use map or filter with regular expressions and than get the length of the remaining array?
const countVowel_volume2 = str => str.split('').filter(x=> (/[aeiou]/i) ).length
that didnt work any suggestions?