advent_of_code_2022/Day02/python/solution1.py
2023-12-03 15:29:45 +01:00

56 lines
2.1 KiB
Python

def calculate_score(opponent_move, your_move):
"""Calculates and returns the score for a single round."""
# Mapping opponent and your moves to Rock, Paper, Scissors
move_map = {'A': 'Rock', 'B': 'Paper', 'C': 'Scissors', 'X': 'Rock', 'Y': 'Paper', 'Z': 'Scissors'}
# Mapping moves to score
score_map = {'Rock': 1, 'Paper': 2, 'Scissors': 3}
# Determine the outcome
if move_map[opponent_move] == move_map[your_move]:
return score_map[move_map[your_move]] + 3 # Draw
elif (move_map[opponent_move], move_map[your_move]) in [('Rock', 'Scissors'), ('Scissors', 'Paper'), ('Paper', 'Rock')]:
return score_map[move_map[your_move]] # Lose
else:
return score_map[move_map[your_move]] + 6 # Win
def process_file(file_path):
"""Processes the given file and returns the total score."""
total_score = 0
with open(file_path, 'r') as file:
for line_number, line in enumerate(file, 1):
line = line.strip()
# Validate line format
if len(line) != 3 or line[1] != ' ':
raise ValueError(f"Invalid format in line {line_number}: '{line}'")
opponent_move, your_move = line[0], line[2]
# Validate moves
if opponent_move not in 'ABC' or your_move not in 'XYZ':
raise ValueError(f"Invalid move in line {line_number}: '{line}'")
# Calculate and add round score
total_score += calculate_score(opponent_move, your_move)
return total_score
def run_tests():
"""Runs tests using the test.txt file."""
test_score = process_file('../test.txt')
print(f"Test score: {test_score}")
assert test_score == 15, f"Test failed, expected 15, got {test_score}"
print("Test passed.")
def main():
# Run tests first
try:
run_tests()
except Exception as e:
print(f"Error during testing: {e}")
return
# Process the main input file
try:
final_score = process_file('../input.txt')
print(f"Final score: {final_score}")
except Exception as e:
print(f"Error processing input.txt: {e}")
if __name__ == "__main__":
main()