Wetten auf Anzahl letzter Zeichen des Block Hashes

import random

VALID_CHARS = "0123456789abcdef"

# Defined number of payouts due to winning bets
iterations = int(input("Number of payouts: "))
# Number of characters in sequence that need to be correct
count = int(input("Chars in sequence: "))
# Amount of coins that user needs to pay for one bet
pay = int(input("Stake per bet: "))
# Multiplier for payed coins per bet in case of a win
multiplier = int(input("Winning multiplier: "))

print("\n")

choice = "".join(random.choices(VALID_CHARS, k=count))

total_earned = 0
total_payout = 0

all_tries = 0
for a in range(1, iterations + 1):
    tries = 0

    while True:
        total_earned += pay
        tries += 1

        combination = "".join(random.choices(VALID_CHARS, k=count))
        if choice == combination:
            all_tries += tries
            total_payout += pay * multiplier
            print(f"[{a}]", "Found after", tries, "tries")
            break

chance = 1
for i in range(count):
    chance *= 1 / len(VALID_CHARS)
chance *= 100

print("\n")
print("Statistical probability to win:", f"{chance:.4f}", "%")
print("Calculated probability to win: ", f"{iterations / all_tries * 100:.4f}", "%")
print("\n")
print("Total tries:  ", all_tries)
print("Average tries:", all_tries / iterations)
print("\n")
print("Earned:    ", total_earned, "Coins")
print("Payed:     ", total_payout, "Coins")
print("Winnings:  ", total_earned - total_payout, "Coins")