1 files changed, 48 insertions, 0 deletions
diff --git a/challenge-102/roger-bell-west/python/ch-2.py b/challenge-102/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..7812a33fe8
--- /dev/null
+++ b/challenge-102/roger-bell-west/python/ch-2.py
@@ -0,0 +1,48 @@
+#! /usr/bin/python3
+
+def hcs(n):
+    s=list()
+    t=list()
+    while 1:
+        s=list()
+        l=0
+        if len(t)>0:
+            s=t.pop()
+            l=sum((0 if i==1 else len(str(i)))+1 for i in s)
+        if l==n:
+            break
+        if l > n:
+            continue
+        c=l
+        while 1:
+            tt=(0 if c==1 else len(str(c)))+l+1
+            if c==tt:
+                k=s.copy()
+                k.append(c)
+                t.append(k)
+            if c > tt:
+                break
+            c+=1
+    return ''.join((("" if i==1 else str(i)) + "#") for i in s)
+
+
+import unittest
+
+class TestHcs(unittest.TestCase):
+
+        def test_ex1(self):
+            self.assertEqual(hcs(1),'#','example 1')
+
+        def test_ex2(self):
+            self.assertEqual(hcs(2),'2#','example 2')
+
+        def test_ex3(self):
+            self.assertEqual(hcs(3),'#3#','example 3')
+
+        def test_ex4(self):
+            self.assertEqual(hcs(10),'#3#5#7#10#','example 4')
+
+        def test_ex5(self):
+            self.assertEqual(hcs(14),'2#4#6#8#11#14#','example 5')
+
+unittest.main()