"Write a subroutine, function, or method that takes an array of characters and returns an array of the same characters in reversed order with every consonant between 'a' and 'z' lower cased and every vowel between 'a' and 'z' upper cased."
Sigiloso
While this question asked to manipulate the lowercase letters only, the hiring manager expects the uppercase letters to be manipulate too. So, the answer they expect is not the one that answers the question posed.