style: add explicit type hints to linear_search.py

Author: Aditya70-creator

searches/linear_search.py

@@ -7,9 +7,9 @@
 For manual testing run:
 python3 linear_search.py
 """
+from typing import Any  
 
-
-def linear_search(sequence: list, target: int) -> int:
+def linear_search(sequence: list[Any], target: Any) -> int:
     """A pure Python implementation of a linear search algorithm
 
     :param sequence: a collection with comparable items (sorting is not required for
@@ -33,7 +33,7 @@ def linear_search(sequence: list, target: int) -> int:
     return -1
 
 
-def rec_linear_search(sequence: list, low: int, high: int, target: int) -> int:
+def rec_linear_search(sequence: list[Any], low: int, high: int, target: Any) -> int:
     """
     A pure Python implementation of a recursive linear search algorithm