import random

play_again = "yes"

while play_again.lower() == "yes":
    # Generate a random number (0 or 1) to represent heads or tails
    coin = random.randint(0, 1)

    if coin == 0:
        result = "Heads"
    else:
        result = "Tails"

    print("Coin flip result:", result)

    play_again = input("Do you want to play again? (yes/no): ")