Day01 solved

Day01/part1.py

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+def extract_calibration_value(line):
+    """
+    Extract the calibration value from a line of text.
+    The calibration value is formed by combining the first digit and the last digit in the line.
+
+    :param line: A string representing a line of text from the document.
+    :return: The calibration value as an integer.
+    """
+    first_digit = None
+    last_digit = None
+
+    # Find the first digit in the line
+    for char in line:
+        if char.isdigit():
+            first_digit = char
+            break
+    
+    # Find the last digit in the line
+    for char in reversed(line):
+        if char.isdigit():
+            last_digit = char
+            break
+
+    # Combine the first and last digits to form the calibration value
+    if first_digit and last_digit:
+        return int(first_digit + last_digit)
+    else:
+        return 0
+
+def sum_calibration_values(filename):
+    """
+    Calculate the sum of all calibration values in the document.
+
+    :param filename: The name of the file containing the document.
+    :return: The sum of all calibration values.
+    """
+    total = 0
+
+    # Open the file and process each line
+    with open(filename, 'r') as file:
+        for line in file:
+            total += extract_calibration_value(line)
+
+    return total
+
+# Main execution
+if __name__ == "__main__":
+    filename = "coordinates.txt"
+    total_calibration_value = sum_calibration_values(filename)
+    print(f"Total Sum of Calibration Values: {total_calibration_value}")

Day01/part2.py

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+def extract_digits(line):
+    """Extracts all digits (as numbers) from the line in the order they appear."""
+    digit_map = {
+        "zero": "0", "one": "1", "two": "2", "three": "3", "four": "4",
+        "five": "5", "six": "6", "seven": "7", "eight": "8", "nine": "9"
+    }
+
+    # Add single digit mappings
+    digit_map.update({str(k): str(k) for k in range(10)})
+
+    digits_found = []
+    i = 0
+    while i < len(line):
+        matched = False
+        for word, digit in digit_map.items():
+            if line.startswith(word, i):
+                digits_found.append(int(digit))
+                i += len(word) - 1  # Advance the index
+                matched = True
+                break
+        i += 1  # Move to the next character if no match
+
+    return digits_found
+
+def extract_calibration_value(line):
+    """Extracts the calibration value from a line."""
+    digits = extract_digits(line)
+    if digits:
+        return int(str(digits[0]) + str(digits[-1]))
+    return 0
+
+def sum_calibration_values(file_path):
+    """Extracts calibration values from each line and sums them up."""
+    total_sum = 0
+    with open(file_path, 'r') as file:
+        for line in file:
+            calibration_value = extract_calibration_value(line.strip())
+            if calibration_value:
+                # Use the first and last found digit to form the calibration value
+                total_sum += calibration_value
+                print(f"Line: {line.strip()} - Calibration Value: {calibration_value}")
+            else:
+                print(f"Line: {line.strip()} - No digits found")
+
+    return total_sum
+
+# Main execution
+if __name__ == "__main__":
+    import sys
+    filename = sys.argv[1] if len(sys.argv) > 1 else "coordinates.txt"
+    total_calibration_value = sum_calibration_values(filename)
+    print(f"Total Sum of Calibration Values: {total_calibration_value}")

Day01/test.txt

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+two1nine
+eightwothree
+abcone2threexyz
+xtwone3four
+4nineeightseven2
+zoneight234
+7pqrstsixteen