3 files changed, 89 insertions, 0 deletions
diff --git a/challenge-324/sgreen/python/ch-1.py b/challenge-324/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..4053826921
--- /dev/null
+++ b/challenge-324/sgreen/python/ch-1.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def twod_array(ints: list, rows: int, cols: int) -> list[list[int]]:
+    """
+    Convert a flat list of integers into a 2D array with specified rows and columns.
+    :param ints: List of integers to convert.
+    :param rows: Number of rows in the 2D array.
+    :param cols: Number of columns in the 2D array.
+    :return: 2D array represented as a list of lists.
+    """
+    if rows < 1 or cols < 1:
+        raise ValueError("Rows and columns must be greater than 0.")
+    if rows * cols != len(ints):
+        raise ValueError(
+            "The product of rows and columns must equal the length of the input list.")
+
+    return [[ints[i * cols + j] for j in range(cols)] for i in range(rows)]
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    *ints, rows, cols = array
+    result = twod_array(ints, rows, cols)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-324/sgreen/python/ch-2.py b/challenge-324/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..d3534bb537
--- /dev/null
+++ b/challenge-324/sgreen/python/ch-2.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+import sys
+
+from itertools import combinations
+
+
+def total_xor(ints: list) -> int:
+    """
+    Calculate the total XOR of all combinations of integers in the list.
+    :param ints: List of integers to calculate the total XOR.
+    :return: Total XOR as a hexadecimal string.
+    """
+
+    total = 0
+    for i in range(1, len(ints) + 1):
+        # Generate all combinations of length i
+        # and calculate the XOR for each combination
+        for combo in combinations(ints, i):
+            xor_value = 0
+            for num in combo:
+                xor_value ^= num
+            total += xor_value
+
+    return total
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = total_xor(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-324/sgreen/python/test.py b/challenge-324/sgreen/python/test.py
new file mode 100755
index 0000000000..9203697c3b
--- /dev/null
+++ b/challenge-324/sgreen/python/test.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+import unittest
+ch_1 = __import__('ch-1')
+ch_2 = __import__('ch-2')
+
+
+class TestClass(unittest.TestCase):
+    def test_ch_1(self):
+        self.assertEqual(ch_1.twod_array([1, 2, 3, 4], 2, 2), [[1, 2], [3, 4]])
+        self.assertEqual(ch_1.twod_array([1, 2, 3], 1, 3), [[1, 2, 3]])
+        self.assertEqual(ch_1.twod_array([1, 2, 3, 4], 4, 1), [[1], [2], [3], [4]])
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.total_xor([1, 3]), 6)
+        self.assertEqual(ch_2.total_xor([5, 1, 6]), 28)
+        self.assertEqual(ch_2.total_xor([3, 4, 5, 6, 7, 8]), 480)
+
+
+if __name__ == '__main__':
+    unittest.main()