python学习10——修改。
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.""" words = words.pop(0) print (words) def print_last_word(words): """Prints the last word after popping it off.""" words = words.pop(-1) print (words) 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) print( "Let's practice everything.") print ('You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.') poem = """ \tThe lovely world with logic so firmly planted cannot discern \n the needs of love nor comprehend passion from intuition and requires an explantion \n\t\twhere there is none. """ import ex26 print( "--------------") print (poem) print ("--------------") five = 10 - 2 + 3 - 5 print ("This should be five: %s" % five) def secret_formula(started): jelly_beans = started * 500 jars = jelly_beans / 1000 crates = jars / 100 return jelly_beans, jars, crates start_point = 10000 beans, jars, crates = secret_formula(start_point) print ("With a starting point of: %d" % start_point) print ("We'd have %d jeans, %d jars, and %d crates." % (beans, jars, crates)) start_point = start_point / 10 print ("We can also do that this way:") print ("We'd have %d beans, %d jars, and %d crabapples." % secret_formula(start_point)) sentence = ("All god\tthings come to those who weight.") words = ex26.break_words(sentence) sorted_words = ex26.sort_words(words) print_first_word(words) print_last_word(words) print_first_word(sorted_words) print_last_word(sorted_words) sorted_words = ex26.sort_sentence(sentence) print( sorted_words) print_first_and_last(sentence) print_first_and_last_sorted(sentence)
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