Merge remote-tracking branch 'upstream/master'

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-227/lubos-kolouch/python/ch-1.py b/challenge-227/lubos-kolouch/python/ch-1.py
new file mode 100644
index 0000000000..1a2e1d0042
--- /dev/null
+++ b/challenge-227/lubos-kolouch/python/ch-1.py
@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from datetime import datetime, timedelta
+
+
+def friday_13ths(year):
+    dt = datetime(year, 1, 1)
+    friday_13_count = 0
+
+    while dt.year == year:
+        if dt.weekday() == 4 and dt.day == 13:
+            friday_13_count += 1
+        dt += timedelta(days=1)
+
+    return friday_13_count
+
+
+print(friday_13ths(2023))  # 2