From 771b7f7d251a4636097dd8e91da300ddd189676c Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 1 Dec 2023 12:13:28 +0000
Subject: [PATCH] 2023: d01: ex1: add solution

---
 2023/d01/ex1/ex1.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 2023/d01/ex1/ex1.py

diff --git a/2023/d01/ex1/ex1.py b/2023/d01/ex1/ex1.py
new file mode 100755
index 0000000..52b6f8d
--- /dev/null
+++ b/2023/d01/ex1/ex1.py
@@ -0,0 +1,20 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def solve(input: list[str]) -> int:
+    def value(line: str) -> int:
+        digits = [int(c) for c in line if c.isdigit()]
+        return digits[0] * 10 + digits[-1]
+
+    return sum(value(line) for line in input)
+
+
+def main() -> None:
+    input = sys.stdin.read().splitlines()
+    print(solve(input))
+
+
+if __name__ == "__main__":
+    main()