1 files changed, 30 insertions, 0 deletions
diff --git a/challenge-258/lubos-kolouch/python/ch-2.py b/challenge-258/lubos-kolouch/python/ch-2.py
new file mode 100644
index 0000000000..93cd53ddbd
--- /dev/null
+++ b/challenge-258/lubos-kolouch/python/ch-2.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+
+from typing import List
+
+
+def sum_of_values(ints: list[int], k: int) -> int:
+    """
+    Calculates the sum of values in the given list whose indices have exactly k  1-bits in their binary representation.
+
+    :param ints: A list of integers.
+    :param k: The number of  1-bits in the binary representation of the index.
+    :return: The sum of values whose indices have exactly k  1-bits.
+    """
+    total_sum = 0
+    for i, value in enumerate(ints):
+        if bin(i).count("1") == k:
+            total_sum += value
+    return total_sum
+
+
+# Test cases
+def test_sum_of_values():
+    assert sum_of_values([2, 5, 9, 11, 3], 1) == 17
+    assert sum_of_values([2, 5, 9, 11, 3], 2) == 11
+    assert sum_of_values([2, 5, 9, 11, 3], 0) == 2
+    print("All tests passed.")
+
+
+if __name__ == "__main__":
+    test_sum_of_values()