2 files changed, 56 insertions, 0 deletions
diff --git a/challenge-260/roger-bell-west/python/ch-1.py b/challenge-260/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..581f24f050
--- /dev/null
+++ b/challenge-260/roger-bell-west/python/ch-1.py
@@ -0,0 +1,27 @@
+#! /usr/bin/python3
+
+from collections import defaultdict
+
+def uniqueoccurrences(a):
+  c = defaultdict(lambda: 0)
+  for v in a:
+    c[v] += 1
+  if len(c) == len(set(c.values())):
+    return 1
+  else:
+    return 0
+
+import unittest
+
+class TestUniqueoccurrences(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(uniqueoccurrences([1, 2, 2, 1, 1, 3]), 1, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(uniqueoccurrences([1, 2, 3]), 0, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(uniqueoccurrences([-2, 0, 1, -2, 1, 1, 0, 1, -2, 9]), 1, 'example 3')
+
+unittest.main()
diff --git a/challenge-260/roger-bell-west/python/ch-2.py b/challenge-260/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..81eb658cbd
--- /dev/null
+++ b/challenge-260/roger-bell-west/python/ch-2.py
@@ -0,0 +1,29 @@
+#! /usr/bin/python3
+
+from itertools import permutations
+
+def dictionaryrank(a):
+  d = set()
+  for o in permutations(a):
+    d.add("".join(o))
+  dd = list(d)
+  dd.sort()
+  for i, s in enumerate(dd):
+    if s == a:
+      return i + 1
+  return 0
+
+import unittest
+
+class TestDictionaryrank(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(dictionaryrank("CAT"), 3, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(dictionaryrank("GOOGLE"), 88, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(dictionaryrank("SECRET"), 255, 'example 3')
+
+unittest.main()