Advent of code 2

def total_score(strategy_guide):
    # Create a variable to store the total score
    total_score = 0
    
    # Create a dictionary to store the rules of rock-paper-scissors
    rules = {
        "A": "Rock",
        "B": "Paper",
        "C": "Scissors"
    }
    
    # Iterate through each round in the strategy guide
    for round in strategy_guide:
        # Get the choices for the current round
        player1_choice = round[0]
        player2_choice = round[1]
        
        # If player 1 chooses rock and player 2 chooses scissors, player 1 wins
        if rules[player1_choice] == "Rock" and rules[player2_choice] == "Scissors":
            total_score += 2
        # If player 1 chooses paper and player 2 chooses rock, player 1 wins
        elif rules[player1_choice] == "Paper" and rules[player2_choice] == "Rock":
            total_score += 2
        # If player 1 chooses scissors and player 2 chooses paper, player 1 wins
        elif rules[player1_choice] == "Scissors" and rules[player2_choice] == "Paper":
            total_score += 2
        # If the choices are the same, it's a draw and no points are awarded
        else:
            total_score += 0
    
    # Return the total score
    return total_score

# Test the function with the example strategy guide
strategy_guide = [
    ("A", "Y"),
    ("B", "X"),
    ("C", "Z")
]
print(total_score(strategy_guide))  # should print 15