《笨办法学python》习题25——笔记_苹果吃掉的好的博客

原文习题

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

def sort_words(words):
	"""Sorts the words."""
	#排序
	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 sentense."""
	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)
def break_words(stuff):
	"""This