2 files changed, 71 insertions, 0 deletions
diff --git a/challenge-126/roger-bell-west/python/ch-1.py b/challenge-126/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..d50faf6626
--- /dev/null
+++ b/challenge-126/roger-bell-west/python/ch-1.py
@@ -0,0 +1,36 @@
+#! /usr/bin/python3
+
+import unittest
+
+def cn(n):
+  k=n
+  digits=[]
+  while k>0:
+    d=k % 10
+    if d==1:
+      digits=[8] * len(digits)
+    if d>0:
+      d -= 1
+    digits.append(d)
+    k=int(k/10)
+  tc=0
+  for i in range(len(digits)-1,-1,-1):
+    tc *= 9
+    tc += digits[i]
+  return tc
+
+class TestCn(unittest.TestCase):
+
+        def test_ex1(self):
+          self.assertEqual(cn(15),8,'example 1')
+
+        def test_ex2(self):
+          self.assertEqual(cn(25),13,'example 2')
+
+        def test_ex3(self):
+          self.assertEqual(cn(10000),6560,'example 3')
+
+        def test_ex4(self):
+          self.assertEqual(cn(100000000),43046720,'example 3')
+          
+unittest.main()
diff --git a/challenge-126/roger-bell-west/python/ch-2.py b/challenge-126/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..f5163b5adb
--- /dev/null
+++ b/challenge-126/roger-bell-west/python/ch-2.py
@@ -0,0 +1,35 @@
+#! /usr/bin/python3
+
+ina=[
+  ['x','*','*','*','x','*','x','x','x','x'],
+  ['*','*','*','*','*','*','*','*','*','x'],
+  ['*','*','*','*','x','*','x','*','x','*'],
+  ['*','*','*','x','x','*','*','*','*','*'],
+  ['x','*','*','*','x','*','*','*','*','x']
+]
+
+ysiz=len(ina)
+xsiz=len(ina[0])
+
+mn=[]
+for i in range(ysiz):
+  mn.append([0] * xsiz)
+  
+for y in range(ysiz):
+  sy=range(max(0,y-1),min(ysiz,y+2))
+  for x in range(xsiz):
+    sx=range(max(0,x-1),min(xsiz,x+2))
+    if ina[y][x] == 'x':
+      for yi in sy:
+        for xi in sx:
+          if xi==x and yi==y:
+            continue
+          mn[yi][xi] += 1
+
+for y in range(ysiz):
+  for x in range(xsiz):
+    if ina[y][x] == 'x':
+      mn[y][x] = 'x'
+    else:
+      mn[y][x] = str(mn[y][x])
+  print(" ".join(mn[y]))