Sathoshi Dice simulator

satoshidice.py

import random

total_bitcoins=5
amount_to_bet=1
rounds=20

# probability -> multiplier
# 0.915527 -> 1.07 
# 0.732422 -> 1.34
# 0.500000 -> 1.96
# 0.488281 -> 2.00
# 0.366211 -> 2.67
# 0.244141 -> 4
# 0.183105 -> 5.34
# 0.12207 -> 8
# 0.030518 -> 31.99
 

probability=0.244141 
mult=4
random.seed()
print "will play "+str(rounds)+" rounds "
for x in range(1,rounds):
    total_bitcoins-=amount_to_bet
    r=random.random() 
    if (r<=probability):
        total_bitcoins+=amount_to_bet*mult

print total_bitcoins