solve Day02 in python

Day02/python/solution1.py

@@ -0,0 +1,55 @@
+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()

Day02/python/solution2.py

@@ -0,0 +1,59 @@
+def choose_shape(opponent_move, desired_outcome):
+    """Chooses the appropriate shape based on the opponent's move and the desired outcome."""
+    # Mapping of moves to counter-moves for loss, draw, win
+    counter_moves = {
+        'A': {'X': 'Scissors', 'Y': 'Rock', 'Z': 'Paper'},      # Opponent: Rock
+        'B': {'X': 'Rock', 'Y': 'Paper', 'Z': 'Scissors'},      # Opponent: Paper
+        'C': {'X': 'Paper', 'Y': 'Scissors', 'Z': 'Rock'}       # Opponent: Scissors
+    }
+    return counter_moves[opponent_move][desired_outcome]
+
+def calculate_score(shape, outcome):
+    """Calculates and returns the score for a single round."""
+    score_map = {'Rock': 1, 'Paper': 2, 'Scissors': 3}
+    outcome_score = {'X': 0, 'Y': 3, 'Z': 6}  # Loss, Draw, Win
+    return score_map[shape] + outcome_score[outcome]
+
+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, desired_outcome = line[0], line[2]
+            # Validate moves
+            if opponent_move not in 'ABC' or desired_outcome not in 'XYZ':
+                raise ValueError(f"Invalid move in line {line_number}: '{line}'")
+            # Determine the shape to choose
+            your_shape = choose_shape(opponent_move, desired_outcome)
+            # Calculate and add round score
+            total_score += calculate_score(your_shape, desired_outcome)
+    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 == 12, f"Test failed, expected 12, 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()