Code from Learn Python The Hard Way (.org) ex 25

LPTHWex25

def break_words(stuff):
    """This function will break up words for us."""
    words = stuff.split(' ')
    return words

def sort_words(words):
    """Sorts the words."""
    return sorted(words)

def print_first_word(words):
    """Prints the first word after popping it off."""
    word = words.pop(0) 
    print word

def print_last_word(words):
	"""Prints the last word after popping it off."""
	word = words.pop(-1)
	print word
	
def sort_sentence(sentence):
	"""Takes in a full sentence and returns the sorted words."""
	words = break_words(sentence)
	return sort_words(words)
	
def 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)

def 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)