1 files changed, 38 insertions, 0 deletions
diff --git a/challenge-348/roger-bell-west/python/ch-2.py b/challenge-348/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..8f3827b8fd
--- /dev/null
+++ b/challenge-348/roger-bell-west/python/ch-2.py
@@ -0,0 +1,38 @@
+#! /usr/bin/python3
+
+def hm2m(a):
+  p = a.split(":")
+  return int(p[0]) * 60 + int(p[1])
+
+def converttime(ssrc, ttgt):
+  src = hm2m(ssrc)
+  tgt = hm2m(ttgt)
+  if tgt < src:
+    tgt += 24 * 60
+  delta = tgt - src
+  oc = 0
+  for op in [60, 15, 5, 1]:
+    oc += delta // op
+    delta %= op
+  return oc
+
+import unittest
+
+class TestConverttime(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(converttime("02:30", "02:45"), 1, 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(converttime("11:55", "12:15"), 2, 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(converttime("09:00", "13:00"), 4, 'example 3')
+
+  def test_ex4(self):
+    self.assertEqual(converttime("23:45", "00:30"), 3, 'example 4')
+
+  def test_ex5(self):
+    self.assertEqual(converttime("14:20", "15:25"), 2, 'example 5')
+
+unittest.main()