3 files changed, 92 insertions, 0 deletions
diff --git a/challenge-276/sgreen/python/ch-1.py b/challenge-276/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..589990a0ba
--- /dev/null
+++ b/challenge-276/sgreen/python/ch-1.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def complete_day(hours: list) -> int:
+    """
+    Counts the number of pairs of hours in the given list that sum up to a multiple of 24.
+
+    Args:
+        hours (list): A list of integers representing the hours.
+
+    Returns:
+        int: The number of pairs of hours that sum up to a multiple of 24.
+    """
+    count = 0
+    items = len(hours)
+
+    for i in range(items-1):
+        for j in range(i+1, items):
+            if (hours[i] + hours[j]) % 24 == 0:
+                count += 1
+
+    return count
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = complete_day(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-276/sgreen/python/ch-2.py b/challenge-276/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..198042c31b
--- /dev/null
+++ b/challenge-276/sgreen/python/ch-2.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+from collections import Counter
+import sys
+
+
+def maximum_frequency(ints: list) -> str:
+    """
+    Calculate the maximum frequency of elements in a list and returns the
+    number of elements with that appear with this frequency.
+
+    Args:
+        ints (list): A list of integers.
+
+    Returns:
+        str: The number of elements with appear most frequency.
+    """
+    # Convert the list in a frequency dictionary
+    freq = Counter(ints)
+    max_freq = max(freq.values())
+
+    # Count the number of elements with the maximum frequency
+    elements = sum(1 for v in freq.values() if v == max_freq)
+
+    # Multiply the number of elements by the frequency
+    return elements * max_freq
+
+
+def main():
+    # Convert input into integers
+    array = [int(n) for n in sys.argv[1:]]
+    result = maximum_frequency(array)
+    print(result)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/challenge-276/sgreen/python/test.py b/challenge-276/sgreen/python/test.py
new file mode 100755
index 0000000000..8f9c4d93cf
--- /dev/null
+++ b/challenge-276/sgreen/python/test.py
@@ -0,0 +1,20 @@
+#!/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.complete_day([12, 12, 30, 24, 24]), 2)
+        self.assertEqual(ch_1.complete_day([72, 48, 24, 5]), 3)
+        self.assertEqual(ch_1.complete_day([12, 18, 24]), 0)
+
+    def test_ch_2(self):
+        self.assertEqual(ch_2.maximum_frequency([1, 2, 2, 4, 1, 5]), 4)
+        self.assertEqual(ch_2.maximum_frequency([1, 2, 3, 4, 5]), 5)
+
+
+if __name__ == '__main__':
+    unittest.main()