add type hints to pancake_sort

SantiagoSalazar2007 · SantiagoSalazar2007 · commit 2a561838cfad · 2026-05-30T12:42:15.000-05:00
diff --git a/sorts/pancake_sort.py b/sorts/pancake_sort.py
@@ -9,7 +9,7 @@
 """
 
 
-def pancake_sort(arr):
+def pancake_sort(arr: list) -> list:
     """Sort Array with Pancake Sort.
     :param arr: Collection containing comparable items
     :return: Collection ordered in ascending order of items
