acronymize.rb

def acronymize(string)
  # TODO: write a method that returns
  # the acronym for the given string
  # 1. Split the sentence into words
  # 2. Grab the first letter of each word
  # 3. Capitalize it
  # 4. Join the first letters together
  # 5. return the result

     # gsub: string to replace , replace with
     # split returns an array
  words = string.gsub(",","").split

  # acronym = []
  # words.each do |word|
  #   acronym << word[0].capitalize
  # end

  # takes an array and returns a new array
  # with the transformation applied
  words.map { |word| word[0].capitalize }.join


  # acronym.join("")

end


puts acronymize("you only live once") == "YOLO"
puts acronymize("you only live once".upcase) == "YOLO"
puts acronymize("") == ""
puts acronymize("you only  , live once") == "YOLO"