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Test #4's description is a bit off. Numbers 1-3 say
lowerCaseLetters should be {expected}, but #4 sayslowerCaseLetters should be {input}. If you would liked to show the input in the test description, maybe have something likelowerCaseLetters({input}) should be {expected}Also, #4 is not very good as a random test. The input is a template filled with numbers and the output is fixed, which allows for hardcoding. True random tests would be the best, but if you must use template based tests, then thrown in some spaces or capitals rather than just having the alphabet with two digits between each letter.Now it's explained.
close enough
Remove numbers and lower case the letters
does this seem more appropriate?
The title of this kata is way off from the actual task.
It's not explained how you add spaces to the string between words.
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