# File: MacDonaldSong.py
# Description: A program asking the user to enter a series of animal names and sounds and print the corresponding verses from the song "Old MacDonald had a farm".  The program quits when the user enters "no".
#
# Name: David Lopez
# EID: dbl353
# Course Name: CS 303e
#
# Unique Number: 53215
#
# Date created: 2/21/11
# Date last modified: 2/21/11
#
# Slip days used this assignment: 0
# Total slip days used: 0
#

def main():

    def printFirstLast():
        #Prints the first and last line to OldMacDonald Song for less redundancy
        print "Old MacDonald had a farm, E-I-E-I-O"

    def printMiddleVerse(animal, noise):
        #prints middle verse to OldMacDonald Song
        print "And on that farm, he had some %ss, E-I-E-I-O" % (animal)
        print "With a %s-%s here, a %s-%s there" % (noise, noise, noise, noise)
        print "Here a %s, there a %s" % (noise, noise)
        print "Everywhere a %s-%s" % (noise, noise)

    def askUser(animal, noise):
        #takes animal input & noise input and does a sentinel loop to see if user wants to quit.
        while animal != "no":
            print
            printFirstLast()
            printMiddleVerse(animal, noise)
            printFirstLast()
            print
            animal = raw_input("Please enter an animal, or no to stop player: ")
            if animal != "no":
                noise = raw_input("Please enter a noise: ")

    animal = raw_input("Please enter an animal, or no to stop playing: ")
    if animal != "no":
        noise = raw_input("Please enter a noise: ")
        askUser(animal, noise)





main()