Dierolls class with the following behavior:
>>> rolls = Dierolls(2) >>> rolls.numDice 2 >>> rolls.roll() 9 >>> rolls.roll() 6 >>> rolls.roll() 9 >>> rolls.roll() 6 >>> rolls.roll() 8 >>> rolls.roll() 6 >>> rolls.roll() 12 >>> rolls.roll() 6 >>> rolls.roll() 12 >>> rolls.roll() 7 >>> rolls.roll() 5 >>> rolls.roll() 3 >>> rolls.rollsOf(12) 2 >>> rolls.rollsOf(9) 2 >>> rolls.rollsOf(6) 4 >>> rolls.rollsOf(11) 0