Old lady swallowed a fly: Difference between revisions

<lang python>animals = [

("fly", "I don't know why she swallowed a fly, perhaps she'll die."),

("spider", "It wiggled and jiggled and tickled inside her."),

("bird", "How absurd, to swallow a bird."),

("cat", "Imagine that, she swallowed a cat."),

("dog", "What a hog, to swallow a dog."),

("goat", "She just opened her throat and swallowed a goat."),

("cow", "I don't know how she swallowed a cow."),

("horse", "She's dead, of course.")]

for i, (animal, lyric) in enumerate(animals):

print "There was an old lady who swallowed a {}.\n{}".format(animal, lyric)

if animal == "horse": break

for (predator, _), (prey, _) in zip(animals[i:0:-1], animals[i-1::-1]):

print "\tShe swallowed the {} to catch the {}".format(predator, prey)

if animal != "fly": print animals[0][1] # fly lyric

print # new line</lang>