Perudo Game Assistant

perudo.py

#! /usr/bin/python
import operator
import re
import numpy as np


class Perudo():
    def __init__(self):
        print "-- New Game --\nNumber of players?"
        num_players = int(self.user_input())
        self.starting_dice = num_players * 5
        self.bet_string = ''
        self.play()

    def user_input(self):
        i = raw_input()
        while(not re.search(r'^(q|[1-6]*)$', i)):
            print "invalid input. please enter digits (1-6) only or q to quit."
            i = raw_input()
        if i == 'q':
            print 'bye.'
            exit(0)
        return i

    def suggest_bet(self):
        num_unknown_dice = self.num_dice - sum(self.predicted_dice[2:])
        mean_unknown_quantity = num_unknown_dice/3.0
        dice_array = np.array(self.predicted_dice[2:])
        max_die_quantity = max(self.predicted_dice[2:])
        maxima_indexes = np.where(dice_array == max_die_quantity)[0]
        max_die_face = maxima_indexes[-1] + 2 # We want the last maxima, because 6 is better than 2
        num_aces = self.my_dice[1]
        suggested_bet_quantity = mean_unknown_quantity + max_die_quantity + num_aces
        print "suggested bet: %1.1f %d's" % (suggested_bet_quantity, max_die_face)

    def play(self):
        for self.num_dice in reversed(range(2, self.starting_dice+1)):
            print "\nNew Turn. %d dice. Mean: %1.2f. Your dice?" % (self.num_dice, self.num_dice/3.0)
            my_dice_string = str(self.user_input())
            self.my_dice = [-9,0,0,0,0,0,0]
            for die in my_dice_string:
                self.my_dice[int(die)] += 1
            self.bets = [-9,0,0,0,0,0,0]
            while(True):
                for bet in self.bet_string:
                    self.bets[int(bet)] += 1
                self.predicted_dice = [x[0]+x[1] for x in zip(self.bets, self.my_dice)]
                self.suggest_bet()
                print "bet?"
                self.bet_string = self.user_input()
                if not self.bet_string:
                    break

def main():
    Perudo()

if __name__ == '__main__':
    main()