Simulacion de ruleta en python

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from random import randrange

initial_stack = 1000000.0 # cantidad de dinero inicial
current_stack = initial_stack
max_stack = current_stack
current_color = None
last_color = None
initial_bet = 0.5 # apuesta inicial
current_bet = initial_bet
max_bet = current_bet
loop_count = 0 # Veces que hemos jugado
loop_max = 60
current_value = None



while (current_stack > 0.0 and loop_count < loop_max):
    current_value = randrange(0, 38) # Da valores del 0 al 37
    current_color = current_value % 2

    if current_color == last_color or current_value == 0:
        current_stack = current_stack - current_bet
        current_bet = current_bet * 2
        if current_bet > max_bet:
            max_bet =current_bet
    else:
        current_stack = current_stack + current_bet
        curent_bet = initial_bet
        if current_stack > max_stack:
            max_stack = current_stack

    last_color = current_color
    loop_count = loop_count +1


print "Dinero actual: ", current_stack
print "Dinero maximo: ", max_stack
print "Apuesta Maxima: ", current_bet