#define break_words
def break_words(stuff):
    """This function will break up words for us."""
    #use the split fucntion on 'stuff' and return resulting list to 'words'
    words = stuff.split(' ')
    return words

def sort_words(words):
    """Sorts the words."""
    #return the result of running the sorted function on 'words'
    return sorted(words)

def print_first_word(words):
    """Prints the first word after popping it off."""
    #pop off the first value in the list 'words', and assign it to 'word'
    word = words.pop(0)
    #print word
    print(word)

def print_last_word(words):
    """Prints the last word after popping it off."""
    #pop off the last word in the list 'words' and assign it to 'word'
    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)

#research sorted, split, pop, 
