things.py

import random

random.seed(12345)


class Dice(object):
    def __init__(self, sides=6):
        print "creating a dice with %i sides."%sides
        self.sides = sides

    def roll(self):
        return random.choice(range(1, self.sides+1))


class EightBall(object):
    COLOUR = "black"

    def __init__(self, messages=["go go go",
                                 "maybe tmz",
                                 "No!",
                                 "Yes!",
                                 "ask again"]):
        self.messages = messages
        self.dice = Dice(len(messages))

    def shake(self):
        return "The %s eight ball says: %s"%(self.COLOUR,
                                             self.messages[self.dice.roll()-1])


if __name__ == "__main__":
    sixer = Dice()
    sevener = Dice(7)
    coin = Dice(2)

    for n in xrange(10):
        print "sixer:", sixer.roll()

    for n in xrange(10):
        print "sevener:", sevener.roll()

    for n in xrange(10):
        print "coin:", coin.roll()

    eight = EightBall()
    print eight.shake()
    print eight.shake()

    eight_ = EightBall()
    print eight_.shake()
    print eight_.shake()

    print "changing colour to green"
    EightBall.COLOUR = "green"
    print eight.shake()
    print eight_.shake()

    print "one blue, one green"
    eight.COLOUR= "blue"
    print eight.shake()
    print eight_.shake()