Merge remote-tracking branch 'upstream/master'

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-227/roger-bell-west/python/ch-1.py b/challenge-227/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..64fa1de4a0
--- /dev/null
+++ b/challenge-227/roger-bell-west/python/ch-1.py
@@ -0,0 +1,19 @@
+#! /usr/bin/python3
+
+from datetime import date
+
+def friday13th(y):
+  f = 0
+  for m in range(1, 12+1):
+    if date(y, m, 13).weekday() == 4:
+      f += 1
+  return f
+
+import unittest
+
+class TestFriday13th(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(friday13th(2023), 2, 'example 1')
+
+unittest.main()