1 files changed, 23 insertions, 0 deletions
diff --git a/challenge-262/roger-bell-west/python/ch-1.py b/challenge-262/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..d3f2a54d9b
--- /dev/null
+++ b/challenge-262/roger-bell-west/python/ch-1.py
@@ -0,0 +1,23 @@
+#! /usr/bin/python3
+
+def maxpositivenumber(a):
+  return max(
+    len([c for c in a if c > 0]),
+    len([c for c in a if c < 0])
+    )
+
+
+import unittest
+
+class TestMaxpositivenumber(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(maxpositivenumber([-3, 1, 2, -1, 3, -2, 4]), 4, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(maxpositivenumber([-1, -2, -3, 1]), 3, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(maxpositivenumber([1, 2]), 2, 'example 3')
+
+unittest.main()