《笨办法学python》加分习题26——我的答案

停了一周多了吧，怪自己没恒心。又一次停这么久，真是抱歉，最近手头事比较多，可能目前也就是短短续续的更一些。总而言之，我对自己很抱歉。

我自己改正后的程序：
先感谢下菜鸟教程和廖雪峰教程，非常好！

# -- coding: utf-8 --import ex25def break_words(stuff):    """This function will break up words for us."""    # 语法：str.split(str="", num=string.count(str))    # split()通过指定分隔符对字符串进行切片，如果参数num 有指定值，则仅分隔 num 个子字符串    words = stuff.split(' ')    return wordsdef sort_words(words):    """Sorts the words."""    # 排列算法，python中自带。功能强大，可以接受比较函数开自定义排序。    # 详https://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/001418612033918f1f341b1e0f14762a118891fa52949aa000    return sorted(words)def print_first_word(words):    """Prints the first word after popping it off."""    # pop()用于将这个元素从list中移出，并返回该元素的值。（默认为最后一个元素）    # 语法：list.pop(obj=list[-1])    word = words.pop(0)    print worddef print_last_word(words):    """Prints the last word after popping it off."""    word = words.pop(-1)    print worddef 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(break_words(sentence))    print_first_word(words)    print_last_word(words)print "Let's practice everything."print 'You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.'poem = """\tThe lovely worldwith logic so firmly plantedcannot discern \n the needs of lovenor comprehend passion from intuitionand requires an explantion\n\t\twhere there is none."""print "--------------"print poemprint "--------------"five = 10 - 2 + 2 - 5print "This should be five: %s" % fivedef secret_formula(started):    jelly_beans = started * 500    jars = jelly_beans / 1000    crates = jars / 100    return jelly_beans, jars, cratesstart_point = 10000beans, jars, crates = secret_formula(start_point)print "With a starting point of: %d" % start_pointprint "We'd have %d jeans, %d jars, and %d crates." % (beans, jars, crates)start_point = start_point / 10print "We can also do that this way:"print "We'd have %d beans, %d jars, and %d crabapples." % secret_formula(start_point)sentence = "All good things come to those who weight."words = ex25.break_words(sentence)sorted_words = ex25.sort_words(words)print_first_word(words)print_last_word(words)print_first_word(sorted_words)print_last_word(sorted_words)sorted_words = ex25.sort_sentence(sentence)print sorted_wordsprint_first_and_last(sentence)print_first_and_last_sorted(sentence)

这是我自己改的，用的软件编辑器是Pychram。用编译器会比较快的发现语法错误，算是偷懒吧。其他非语法错误我也就找到一些，望你们有找到请告诉我，谢谢！