Add type hints to is_sorted()

Author: las-r

sorts/bozo_sort.py

@@ -27,8 +27,8 @@ def bozo_sort(array: list) -> list:
     >>> bozo_sort([8, 16, 0, 4, 10])
     [0, 4, 8, 10, 16]
     """
-
-    def is_sorted(array):
+    
+    def is_sorted(array: list) -> bool:
         for i, n in enumerate(array):
             if i < len(array) - 1 and n > array[i + 1]:
                 return False