diff --git a/tests/test_tutorial/test_kata_list_filtering.py b/tests/test_tutorial/test_kata_list_filtering.py
index dbabe7a..b0b1a40 100644
--- a/tests/test_tutorial/test_kata_list_filtering.py
+++ b/tests/test_tutorial/test_kata_list_filtering.py
@@ -1,5 +1,24 @@
 from src.tutorial.testing.practice.kata_list_filtering import filter_list
+import pytest
 
 
-def test_filter_list():
-    filter_list([3, 5])
+@pytest.mark.parametrize(
+    ("input", "expected"),
+    [
+        ([3, 5, "m", "0", 7], [3, 5, 7]),
+        (["3", "5", "m", "0", "f"], []),
+        ([1, 2, 3], [1, 2, 3]),
+    ],
+)
+def test_filter_list(input, expected):
+    assert filter_list(input) == expected
+
+
+def test_parameter_is_list():
+    input = [7, 9, 0]
+    result = isinstance(input, list)
+    assert result
+
+    input = 9
+    result = isinstance(input, list)
+    assert not result