1 files changed, 23 insertions, 0 deletions
diff --git a/challenge-217/roger-bell-west/python/ch-1.py b/challenge-217/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..0d35a4a1f4
--- /dev/null
+++ b/challenge-217/roger-bell-west/python/ch-1.py
@@ -0,0 +1,23 @@
+#! /usr/bin/python3
+
+from itertools import chain
+
+def sortedmatrix(matrix):
+  n = list(chain.from_iterable(matrix))
+  n.sort()
+  return n[2]
+
+import unittest
+
+class TestSortedmatrix(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(sortedmatrix([[3, 1, 2], [5, 2, 4], [0, 1, 3]]), 1, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(sortedmatrix([[2, 1], [4, 5]]), 4, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(sortedmatrix([[1, 0, 3], [0, 0, 0], [1, 2, 1]]), 0, 'example 3')
+
+unittest.main()