# old-macdonald.py

# old-macdonald.py

filler = 'Ee-igh, '*2+'Oh!'
animals = 'dog:woof,duck:quack,sheep:baa,cow:moo,cat:meow'.split(',')
class C(): 0
c = C()
MAIN = '''Old MacDonald had a farm, {3}'''
VERSE = '\n'+MAIN+'''
And on that farm he had a {0}, {3}
With a {2} here... and a {2} there.
Here a {1}, there a {1}, everywhere a {2}!
'''+MAIN
def var(focus): c.animal, c.sound = focus.split(':')
def sing(): print(VERSE.format(c.animal,c.sound,c.sound+' '+c.sound,filler))

[(var(focus),sing()) for focus in animals]