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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.
Scala translation
I have created a Rust translation, ready for review.
Definitely not a 5-kyu kata, more like a 7-kyu one.
Some wrong votes happen
"The expression (look_say(11)) == (21) is false. The expression (look_say(1122)) == (2122) is false." is this feedback wrong ? or i miss understand the kata !!
You should include tests that include numbers with multiple of the same digit e.g. 22322, as when first attempting the kata I didn’t realise that consecutive digits should be grouped together, but I still managed to pass the tests. It wasn’t until submitting the final solution that I happened to get a random test case that contained this type of number and the tests failed.