opt.diff

diff --git a/days/day22/part2.py b/days/day22/part2.py
index ed286de..9870dc9 100644
--- a/days/day22/part2.py
+++ b/days/day22/part2.py
@@ -9,15 +9,15 @@ if __name__ == "__main__":
         _, *cards = p.splitlines()
         return deque(map(int, cards))
 
-    def snapshot(*players):
-        return tuple(map(tuple, players))
+    def snapshot(p1, p2):
+        return (tuple(p1), tuple(p2))
 
     def game(p1, p2):
         past_states = set()
         while True:
-            if snapshot(p1, p2) in past_states:
+            if (s := snapshot(p1, p2)) in past_states:
                 return p1
-            past_states.add(snapshot(p1, p2))
+            past_states.add(s)
 
             a, b = p1.popleft(), p2.popleft()
             if len(p1) >= a and len(p2) >= b: