1 files changed, 30 insertions, 0 deletions
diff --git a/challenge-339/roger-bell-west/python/ch-2.py b/challenge-339/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..4ac047e917
--- /dev/null
+++ b/challenge-339/roger-bell-west/python/ch-2.py
@@ -0,0 +1,30 @@
+#! /usr/bin/python3
+
+def peakpoint(a):
+  h = 0
+  o = 0
+  for p in a:
+    h += p
+    o = max(o, h)
+  return o
+
+import unittest
+
+class TestPeakpoint(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(peakpoint([-5, 1, 5, -9, 2]), 1, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(peakpoint([10, 10, 10, -25]), 30, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(peakpoint([3, -4, 2, 5, -6, 1]), 6, 'example 3')
+
+  def test_ex4(self):
+    self.assertEqual(peakpoint([-1, -2, -3, -4]), 0, 'example 4')
+
+  def test_ex5(self):
+    self.assertEqual(peakpoint([-10, 15, 5]), 10, 'example 5')
+
+unittest.main()