1 files changed, 19 insertions, 0 deletions
diff --git a/challenge-242/roger-bell-west/python/ch-2.py b/challenge-242/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..c01ccf6c74
--- /dev/null
+++ b/challenge-242/roger-bell-west/python/ch-2.py
@@ -0,0 +1,19 @@
+#! /usr/bin/python3
+
+def flipmatrix(a):
+  b = []
+  for row in a:
+    b.append(list(reversed([1 - i for i in row])))
+  return b
+
+import unittest
+
+class TestFlipmatrix(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(flipmatrix([[1, 1, 0], [1, 0, 1], [0, 0, 0]]), [[1, 0, 0], [0, 1, 0], [1, 1, 1]], 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(flipmatrix([[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]], 'example 2')
+
+unittest.main()