monopoly_roller.py

import random

def take_turn(player):
    num = player["number"]
    doubles = 0
    rolls = 0
    print "\n\nIt is Player {}'s turn".format(num)
    if player["in_jail"]:
        print "Player {} is currently incarcerated!".format(num)
        bail = raw_input('Enter "bail" if Player {} has payed bail >'.format(num))
        if bail == "bail":
            player["in_jail"] = 0
            return True

    while True:
        if doubles:
            if player["in_jail"]:
                print "Doubles! You're free!"
                player["in_jail"] = 0
                return True
            elif doubles > 2:
                print "Three Doubles. Go to jail!"
                player["in_jail"] = 1
                return True

        roll = raw_input('Press Enter to roll or "quit" to exit>')
        if roll == "quit":
            return False
        rolls += 1

        die1 = random.randint(1, 6)
        die2 = random.randint(1, 6)
        if die1 == die2:
            print "Player {} rolled double {}s".format(num, die1)
            doubles += 1
        else:
            print "Player {} rolled a {}".format(num, die1 + die2)
            if player["in_jail"] > 2:
                print "Player {} has been forced to pay bail".format(num)
                player["in_jail"] = 0
            if player["in_jail"]:
                player["in_jail"] += 1

            go_on = raw_input("Press Enter to continue")

            return True

def monopoly_roller():
    while True:
        try:
            num_players = int(raw_input("Enter the number of players >"))
            break
        except ValueError:
            print "Invalid number"

    players = []
    players = [{"number": x + 1, "in_jail": 0} for x in range(num_players)]

    while True:
        for player in players:
            if not take_turn(player):
                return

if __name__ == "__main__":
    monopoly_roller()