From b98a82e42bc1c9bf6920e30ec83dc90c03c384d6 Mon Sep 17 00:00:00 2001
From: Kees van Kempen <git@keesvankempen.nl>
Date: Wed, 18 Dec 2024 19:36:19 +0100
Subject: [PATCH] 2024(3): solve 1

Co-Authored-By: Marit Nuijten <marit.nuijten@gmail.com>
---
 2024/3/1.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 2024/3/1.py

diff --git a/2024/3/1.py b/2024/3/1.py
new file mode 100644
index 0000000..76565da
--- /dev/null
+++ b/2024/3/1.py
@@ -0,0 +1,17 @@
+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))"
+
+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}.")