Post_19.1.rb

def assign_santa(list)
  pairs = []

  list.each_cons(2) do |hash, next_hash|
    pairs << [hash["FIRST_NAME"] + " " + hash["LAST_NAME"] + " + " + next_hash["FIRST_NAME"] + " " + next_hash["LAST_NAME"]] 
  end
  first_name = list[0]
  last_name = list[-1]
  pairs << [last_name["FIRST_NAME"] + " " + last_name["LAST_NAME"] + " + " + first_name["FIRST_NAME"] + " " + first_name["LAST_NAME"]] 
  pairs
end