feat(01/2023): add solutions and tests day 01/2023

year_2023/day_01_trebuchet/solution_one_day_01_2023.py

@@ -0,0 +1,30 @@
+def solve_day_01_2023_one(filename: str) -> int | str:
+    calibration_sum = 0
+    try:
+        # Open the file and read the data using the utf-8 encoding
+        with open(filename, 'r', encoding='utf-8') as f:
+            # Iterate over each line in the data and extract the numbers
+            for line in f:
+                first_digit = None
+                last_digit = None
+
+                # We call the enumerate function only once for each line, not for each character
+                enumerated_line = enumerate(line)
+                for i, char in enumerated_line:
+
+                    # Found first digit
+                    if first_digit is None and char.isdigit():
+                        first_digit = char
+
+                    # Found last digit
+                    if last_digit is None and line[-(i + 1)].isdigit():
+                        last_digit = line[-(i + 1)]
+
+                    # If we found the first and last digit, we can break the loop
+                    if first_digit and last_digit:
+                        calibration_sum += int(first_digit + last_digit)
+                        break
+
+        return calibration_sum
+    except Exception as error:
+        return "Error: {}".format(str(error).replace('\n', ''))

year_2023/day_01_trebuchet/solution_two_day_01_2023.py

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+import re
+
+
+def solve_day_01_2023_two(filename: str) -> int | str:
+    verbose_to_numbers = {
+        'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6, 'seven': 7, 'eight': 8, 'nine': 9,
+    }
+    try:
+        calibration_sum = 0
+        # Open the file and read the data using the utf-8 encoding
+        with open(filename, 'r', encoding='utf-8') as f:
+            for line in f:
+                matches = []
+
+                # Found all the matches for the digits and add to the matches list
+                for match in re.finditer(r'\d', line):
+                    matches.append((match.start(), match.group()))
+
+                # Found all the matches for the verbose numbers and add to the matches list
+                for key, value in verbose_to_numbers.items():
+                    for match in re.finditer(key, line):
+                        matches.append((match.start(), str(value)))
+                print(matches)
+                # Sort the matches list by the first element of each tuple (using a lambda/anonymous function)
+                matches.sort(key=lambda elem: elem[0])
+                # First digit is the first element of the first tuple
+                first_digit = matches[0][1]
+                # Last digit is the second element of the last tuple
+                last_digit = matches[-1][1]
+
+                calibration_sum += int(first_digit + last_digit)
+
+        return calibration_sum
+    except Exception as error:
+        return "Error: {}".format(str(error).replace('\n', ''))

year_2023/day_01_trebuchet/test_day_01_2023.py

@@ -0,0 +1,18 @@
+import os
+from .solution_one_day_01_2023 import solve_day_01_2023_one
+from .solution_two_day_01_2023 import solve_day_01_2023_two
+
+filename = "input.txt"
+current_dir = os.path.dirname(os.path.abspath(__file__))
+file_path = os.path.join(current_dir, filename)
+
+
+def test_first_part():
+    result = solve_day_01_2023_one(file_path)
+    assert result == 56397
+
+
+def test_second_part():
+    result = solve_day_01_2023_two(file_path)
+    assert result == 55701
+