tally.py

import random

def tally(votes):
    max_score = 0
    max_ppv = 0
    winner = ''

    for book, v in votes.items():
        score = sum([x*(v.index(x)+1) for x in v])
        ppv = 0 if not score else float(score) / sum(v)
        if score > max_score or (score == max_score and ppv > max_ppv):
            winner = book
            max_score = score
            max_ppv = ppv
        elif score == max_score and ppv == max_ppv:
            print 'WTF'
            return

    print "\nThe winner is...\n"

    r = random.randint(1, 100)
    if (r > 50):
        print "\t" + winner
    else:
        print "\tDragons"


if __name__ == '__main__':
    votes = {
        'Software Oriented Architecture' : [1, 2, 4],
        'Design Patterns' : [2, 2, 0],
        'Dependency Injection' : [3, 1, 4],
        'Domain Modeling' : [2, 4, 2],
        'Enterprise Integration' : [0, 0, 0],
        'Event Driven Programming' : [0, 0, 1]
    }

    tally(votes)