From 7973279c5eb4a4a54cbf8f0e2279e159050c6968 Mon Sep 17 00:00:00 2001
From: Jethro Stapelbroek <ik@jethrostapelbroek.nl>
Date: Sun, 2 Jul 2023 23:43:54 +0200
Subject: [PATCH] Knot Knowledge

---
 knotknowledge.py | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 knotknowledge.py

diff --git a/knotknowledge.py b/knotknowledge.py
new file mode 100644
index 0000000..197db48
--- /dev/null
+++ b/knotknowledge.py
@@ -0,0 +1,4 @@
+_ = input()
+knots = set(map(int, input().split()))
+learnedknots = set(map(int, input().split()))
+print(list(knots.difference(learnedknots))[0])