add: part2

2023/day03/example2.txt

@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..

2023/day03/src/part2.py

@@ -0,0 +1,51 @@
+text: str = open("input.txt", "r").read()
+
+import math
+
+value: int = 0;
+
+def get_pos_of_digits_around(lst: list[str], x:int, y:int):
+	start_x = x - (x > 0)
+	start_y = y - (y > 0)
+	stop_x = x + (x < len(lst[y]) - 1)
+	stop_y = y + (y < len(lst) - 1)
+
+	lst_pos = []
+
+	for y, line in enumerate(lst[start_y:stop_y + 1]):
+		line = line[start_x:stop_x + 1]
+		for x, char in enumerate(line):
+			if (char.isdigit() and not (x > 0 and line[x - 1].isdigit())):
+				lst_pos.append((start_x + x, start_y + y))
+	
+	return (lst_pos)
+
+def get_numbers_by_pos(lst: [str], lst_pos: [(int, int)]):
+	
+	lst_number = []
+
+	for x, y in lst_pos:
+		start: int = x
+		while (start > 0 and lst[y][start - 1].isdigit()):
+			start -= 1
+		stop: int = x
+		while (stop < len(lst[y]) and lst[y][stop].isdigit()):
+			stop += 1
+		print(lst[y][start:stop])
+		lst_number.append(int(lst[y][start:stop]))
+		print(f"example2.txt:{y + 1}:{x + 1}")
+	return lst_number
+
+lst_text: [str] = text.split("\n")
+
+for y, line in enumerate(lst_text):
+	for x, char in enumerate(line):
+		if (char == "*"):
+			lst = get_pos_of_digits_around(lst_text, x, y)
+			if (len(lst) != 2):
+				continue
+			lst = get_numbers_by_pos(lst_text, lst)
+			print(lst)
+			value += math.prod(lst)
+
+print(value)