标签：even 25 word sentence practice words print last first

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)

output

D:\>python
Python 3.7.4 (tags/v3.7.4:e09359112e, Jul  8 2019, 20:34:20) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import ex25
>>> sentence = "All good things come to those who wait."
>>> words = ex25.break_words(sentence)
>>> words
['All', 'good', 'things', 'come', 'to', 'those', 'who', 'wait.']
>>> sorted_words = ex25.sort_words(words)
>>> sorted_words
['All', 'come', 'good', 'things', 'those', 'to', 'wait.', 'who']
>>> ex25.print_first_word(words)
All
>>> ex25.print_last_word(sorted_words)
who
>>> sorted_words
['All', 'come', 'good', 'things', 'those', 'to', 'wait.']
>>> sorted_words = ex25.sort_sentence(sentence)
>>> sorted_words
['All', 'come', 'good', 'things', 'those', 'to', 'wait.', 'who']
>>> ex25.print_first_and_last(sentence)
All
wait.
>>> ex25.print_first_and_last_sorted(sentence)
All
who

2019-09-29

17:42:13

标签：even,25,word,sentence,practice,words,print,last,first
来源： https://www.cnblogs.com/petitherisson/p/11607250.html

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