ex25.rb

module Ex25
  def self.break_words(stuff)
    #This function will break up words for us.
    stuff.split(' ')
  end
  
  def self.sort_words(words)
    #Sorts the words.
    words.sort()
  end


  def self.print_first_word(words)
    #Prints the first word and shifts the others down by one.
    word=words.shift()
    puts word
  end

  def self.print_last_word(words)
    #Prints the Last word after popping it off the end.
    puts words.pop()
  end

  def self.sort_sentence(sentence)
    # Takes in a full sentence and returns the sorted words.
    words = break_words(sentence)
    sort_words(words)
  end

  def self.print_first_and_last(sentence)
    #Prints the first and last words of the sentence.
    words = break_words(sentence)
    print_first_word(words)
    print_last_word(words)
  end
  

  def self.print_first_and_last_sorted(sentence)
    #Sorts the words then prints the first and last one
    words=sort_sentence(sentence)
    print_first_word(words)
    print_last_word(words)
   end

end