Simple Casino randomizator

casino.py

# Casino rules: u bet & roll - if result (>= 0 and <= 45) - u get 1X, if (r == 65) get 3X, if (r == 100) - 4X!
import random

stdbalance = 15000
balance = stdbalance
avgbalance = 0
bet = 1000


iterations = 15
for z in range(1, iterations):
    balance = stdbalance
    for i in range(1, 45):
        r = random.randint(0, 100)
        if r <= 40:
            balance -= bet
        elif r == 65:
            balance -= 3 * bet
        elif r == 100:
            balance -= 4 * bet
        else:
            balance += bet
    avgbalance += balance
    print(balance, " - ", str(int(balance / stdbalance * 100)) + "%" + (" - Less!" if balance < stdbalance else ""))

avgbalance /= iterations
print("Average: ", int(avgbalance), "-", str(int(avgbalance / stdbalance * 100)) + "%")