From 9f334ddeefd0261373f90dfd1815c48f836cade9 Mon Sep 17 00:00:00 2001
From: Paulo Custodio <pauloscustodio@gmail.com>
Date: Fri, 27 Sep 2024 16:40:19 +0100
Subject: Add Python solution to challenge 153

---
 challenge-153/paulo-custodio/python/ch-1.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 challenge-153/paulo-custodio/python/ch-1.py

(limited to 'challenge-153/paulo-custodio/python/ch-1.py')

diff --git a/challenge-153/paulo-custodio/python/ch-1.py b/challenge-153/paulo-custodio/python/ch-1.py
new file mode 100644
index 0000000000..054f47cfb3
--- /dev/null
+++ b/challenge-153/paulo-custodio/python/ch-1.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+# Challenge 153
+#
+# TASK #1 > Left Factorials
+# Submitted by: Mohammad S Anwar
+# Write a script to compute Left Factorials of 1 to 10. Please refer
+# OEIS A003422 for more information.
+#
+# Expected Output:
+# 1, 2, 4, 10, 34, 154, 874, 5914, 46234, 409114
+
+def fact(n):
+    if n < 2:
+        return 1
+    else:
+        return n * fact(n-1)
+
+def left_fact(n):
+    sum = 0
+    for k in range(n):
+        sum += fact(k)
+    return sum
+
+out = [left_fact(x) for x in range(1, 10+1)]
+print(", ".join(map(str, out)))
-- 
cgit