1 files changed, 29 insertions, 0 deletions
diff --git a/challenge-242/lubos-kolouch/python/ch-2.py b/challenge-242/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..6344ef64c5
--- /dev/null
+++ b/challenge-242/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,29 @@
+import unittest
+from typing import List
+
+
+def flip_matrix(matrix: list[list[int]]) -> list[list[int]]:
+    """
+    Flip the given matrix by reversing each row and inverting each element.
+
+    :param matrix: A list of lists representing the binary matrix.
+    :return: The flipped matrix.
+    """
+    return [[1 - element for element in reversed(row)] for row in matrix]
+
+
+# Test cases
+class TestFlipMatrix(unittest.TestCase):
+    def test_examples(self):
+        self.assertEqual(
+            flip_matrix([[1, 1, 0], [1, 0, 1], [0, 0, 0]]),
+            [[1, 0, 0], [0, 1, 0], [1, 1, 1]],
+        )
+        self.assertEqual(
+            flip_matrix([[1, 1, 0, 0], [1, 0, 0, 1], [0, 1, 1, 1], [1, 0, 1, 0]]),
+            [[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 0, 1], [1, 0, 1, 0]],
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()