acronymize.rb

def acronymise(string)
  # look for first letter in each word
  # concatenate in a string
  # upcase
  # return value
  acronym = ""
  string.split(" ").each do |word|
    acronym += word[0].upcase
  end
  return acronym
end

p acronymise("Frequently Asked Question")
puts acronymise("Frequently Asked Question") == "FAQ"
p acronymise("Bois d'Arcy")
puts acronymise("Bois d'Arcy") == "BD"
p acronymise(" Hello World ")
puts acronymise(" Hello World ") == "HW"
p acronymise("")
puts acronymise("") == ""