diff --git a/functions/level_2/three_first.py b/functions/level_2/three_first.py
index de207228..5e99d910 100644
--- a/functions/level_2/three_first.py
+++ b/functions/level_2/three_first.py
@@ -1,7 +1,7 @@
 NOT_SET = "NOT_SET"
 
 
-def first(items: list[int], default: int | None | str = NOT_SET) -> int | None:
+def first(items: list[int], default: int | None | str = NOT_SET) -> int | None | str:
     if items:
         return items[0]
     if default == NOT_SET: