1 files changed, 14 insertions, 0 deletions
diff --git a/2023/04/puzzle-1.py b/2023/04/puzzle-1.py
new file mode 100644
index 0000000..8c221d8
--- /dev/null
+++ b/2023/04/puzzle-1.py
@@ -0,0 +1,14 @@
+def main() -> None:
+	acc = 0
+	with open("input", "r") as f:
+		while line := f.readline():
+			l, r = map(str.split, line.split('|'))
+			l = set(filter(str.isdigit, l))
+			r = set(filter(str.isdigit, r))
+			if s := l & r:
+				acc += 1 << (len(s) - 1)
+	print(acc)
+
+
+if __name__ == "__main__":
+	main()
+\ No newline at end of file