Python Çağrılan main() işlemi hata veriyor

import pygame
import sys

# Ekran boyutları
EKRAN_GENISLIK = 800
EKRAN_YUKSEKLIK = 600

# Renkler
BEYAZ = (255, 255, 255)
YESIL = (0, 128, 0)
SARI = (255, 255, 0)

def menu_ciz(ekran):
    """Başlangıç menüsünü çizer."""
    ekran.fill(YESIL)  # Arkaplanı yeşil yap
    # "Oyna" tuşunu çiz
    oyna_buton = pygame.Rect(300, 250, 200, 100)
    pygame.draw.rect(ekran, SARI, oyna_buton)
    # "Oyna" yazısını çiz
    font = pygame.font.SysFont(None, 48)
    oyna_yazi = font.render("Oyna", True, BEYAZ)
    yazi_rect = oyna_yazi.get_rect(center=oyna_buton.center)
    ekran.blit(oyna_yazi, yazi_rect)

def oyun_ekrani_ciz(ekran):
    """Oyun ekranını çizer."""
    ekran.fill(YESIL)
import random

def create_deck():
    """Desteyi oluşturur."""
    suits = ['Hearts', 'Diamonds', 'Clubs', 'Spades']
    ranks = ['2', '3', '4', '5', '6', '7', '8', '9', '10', 'Jack', 'Queen', 'King', 'Ace']
    deck = [{'rank': rank, 'suit': suit} for suit in suits for rank in ranks]
    random.shuffle(deck)
    return deck

def calculate_total(hand):
    """Eldeki kartların toplam değerini hesaplar."""
    total = 0
    num_aces = 0
    for card in hand:
        if card['rank'] in ['Jack', 'Queen', 'King']:
            total += 10
        elif card['rank'] == 'Ace':
            num_aces += 1
            total += 11
        else:
            total += int(card['rank'])
    while total > 21 and num_aces:
        total -= 10
        num_aces -= 1
    return total

def display_cards(hand, player_name):
    """Kartları ekrana yazar."""
    print(f"{player_name}'s Hand:")
    for card in hand:
        print(f"{card['rank']} of {card['suit']}")

def blackjack():
    """Blackjack oyununu yürütür."""
    deck = create_deck()
    player_hand = [deck.pop(), deck.pop()]
    dealer_hand = [deck.pop(), deck.pop()]

    display_cards(player_hand, "Player")
    player_total = calculate_total(player_hand)
    print(f"Total: {player_total}")

    display_cards(dealer_hand, "Dealer")
    dealer_total = calculate_total(dealer_hand)
    print(f"Dealer's Total: {dealer_total}")

    while player_total < 21:
        action = input("Do you want to (h)it or (s)tand? ")
        if action.lower() == 'h':
            player_hand.append(deck.pop())
            display_cards(player_hand, "Player")
            player_total = calculate_total(player_hand)
            print(f"Total: {player_total}")
            if player_total > 21:
                print("Bust! You lose.")
                return
        elif action.lower() == 's':
            break

    while dealer_total < 17:
        dealer_hand.append(deck.pop())
        dealer_total = calculate_total(dealer_hand)

    display_cards(dealer_hand, "Dealer")
    print(f"Dealer's Total: {dealer_total}")

    if dealer_total > 21 or (player_total <= 21 and player_total > dealer_total):
        print("You win!")
    elif player_total == dealer_total:
        print("Push! It's a tie.")
    else:
        print("Dealer wins.")

blackjack()
pygame.display.flip()
        clock.tick(60)

    pygame.quit()
    sys.exit()

if __name__ == "__main__":
    main()