笨方法学Python 习题25

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_word(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)


在 powershell 或者 CMD 命令中运行该程序
首先调整路径到ex25.py所在的文件夹(以桌面为例)

cd desktop  # 调整路径比较重要
python #运行 python 环境
import ex25
sentence = "The good things come to those who wait."
words =  ex25.break_words(sentence)
……
………
…………

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转载自blog.csdn.net/weixin_43254423/article/details/82869325