sgreen solutions to challenge 153

4 files changed, 32 insertions, 1 deletions

diff --git a/challenge-153/sgreen/README.md b/challenge-153/sgreen/README.md
index f87b671575..e8deece95f 100644
--- a/challenge-153/sgreen/README.md
+++ b/challenge-153/sgreen/README.md
@@ -1,3 +1,3 @@
 # The Weekly Challenge 152
 
-Blog: [Triangles and Rectangles](https://dev.to/simongreennet/triangles-and-rectangles-45p8)
+Blog: [Factorials everywhere!](https://dev.to/simongreennet/factorials-everywhere-5gga)
diff --git a/challenge-153/sgreen/blog.txt b/challenge-153/sgreen/blog.txt
new file mode 100644
index 0000000000..7df912c76e
--- /dev/null
+++ b/challenge-153/sgreen/blog.txt
@@ -0,0 +1 @@
+https://dev.to/simongreennet/factorials-everywhere-5gga
\ No newline at end of file
diff --git a/challenge-153/sgreen/python/ch-1.py b/challenge-153/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..453072fc92
--- /dev/null
+++ b/challenge-153/sgreen/python/ch-1.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+
+import math
+
+def main():
+    solutions = [1]
+    for i in range(1, 10):
+        solutions.append(solutions[-1]+math.factorial(i))
+
+    print(*solutions, sep=', ')
+
+if __name__ ==  '__main__':
+    main()
\ No newline at end of file
diff --git a/challenge-153/sgreen/python/ch-2.py b/challenge-153/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..3937a647c4
--- /dev/null
+++ b/challenge-153/sgreen/python/ch-2.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import math
+import sys
+
+def main(n):
+    # Check we have an integer >= 0
+    num = int(n)
+    if num < 0:
+        raise ValueError("You must specify a non-negative integer")
+
+    # Get the sum of factorials of each digit
+    s = sum(math.factorial(int(x)) for x in n)
+    print('1' if s == num else 0)
+
+if __name__ ==  '__main__':
+    main(sys.argv[1])
\ No newline at end of file