ex25.rb

module Ex25
	#This function will break up words for us.
	def Ex25.break_words(stuff)
		words=stuff.split(' ')
		return words
	end

	# Sort the words.
	def Ex25.sort_words(words)
		return words.sort()
	end

	#Prints the first word after popping it off.
	def Ex25.print_first_word(words)
		word=words.shift()
		puts word
	end
	#Prints the last word after popping it off.
	def Ex25.print_last_word(words)
		word=words.pop()
		puts word
	end
    
	# Takes in a full sentence and returns the sorted words.
	def Ex25.sort_sentence(sentence)
		words = Ex25.break_words(sentence)
		return Ex25.sort_words(words)
	end

	#Prints the first and the last words of the sentence.
	def Ex25.print_first_and_last(sentence)
		words=Ex25.break_words(sentence)
		Ex25.print_first_word(words)
		Ex25.print_last_word(words)
	end

	#Sorts the words then prints the first and the last one.
	def Ex25.print_first_and_last_sorted(sentence)
		words=Ex25.sort_sentence(sentence)
		Ex25.print_first_word(words)
		Ex25.print_last_word(words)
	end
end