day2-part2-take3.py

# Open the file and read the strategy guide
with open('strategy_guide.txt') as file:
    strategy_guide = [line.strip() for line in file]

# Define the score for each shape
SHAPE_SCORES = {'R': 1, 'P': 2, 'S': 3}

# Define the score for each outcome
OUTCOME_SCORES = {'X': 0, 'Y': 3, 'Z': 6}

# Initialize the total score to 0
total_score = 0

# Loop through each pair of characters in the strategy guide
for guide in strategy_guide:
    # Split the guide into two values
    opponent_choice, our_choice = guide.split()

    # Get the first character of the opponent's choice as our shape
    our_shape = opponent_choice[0]

    # Calculate the outcome of the round
    if (opponent_choice == 'R' and our_shape == 'S') or (opponent_choice == 'S' and our_shape == 'P') or (opponent_choice == 'P' and our_shape == 'R'):
        # We lose the round
        outcome = 'X'
    elif (opponent_choice == 'R' and our_shape == 'P') or (opponent_choice == 'S' and our_shape == 'R') or (opponent_choice == 'P' and our_shape == 'S'):
        # We win the round
        outcome = 'Z'
    else:
        # The round is a draw
        outcome = 'Y'

    # Calculate the score for the round
    round_score = SHAPE_SCORES[our_shape] + OUTCOME_SCORES[our_choice]

    # Add the score for the round to the total score
    total_score += round_score

# Print the total score
print(total_score)