2025: improve folder names

2024/03/puzzle1.py

@@ -0,0 +1,18 @@
+import re
+
+
+regex = r"mul\((\d{1,3}),(\d{1,3})\)"
+c = re.compile(regex)
+
+def process_line(line):
+	return sum([int(x)*int(y) for x, y in c.findall(line)])
+
+#test = "xmul(2,4)%&mul[3,7]!@^do_not_mul(5,5)+mul(32,64]then(mul(11,8)mul(8,5))"
+
+if __name__ == "__main__":
+	result = 0
+	with open("input", "r") as fp:
+		while (line := fp.readline()):
+			result += process_line(line)
+
+	print(f"The sum of all multiplications equals {result}.")