From 757c06875f988f5bb81c3b877b22e051c95eaaa5 Mon Sep 17 00:00:00 2001
From: Michael Stone <michael@laptop.org>
Date: Sat, 08 Jan 2011 06:14:25 +0000
Subject: Add factorial puzzle.

---
diff --git a/puzzles/factorial.py b/puzzles/factorial.py
new file mode 100644
index 0000000..f89b2ce
--- /dev/null
+++ b/puzzles/factorial.py
@@ -0,0 +1,9 @@
+name = "!"
+sort_key = 95
+
+def get_problem(self, difficulty):
+    import math
+    x = self.generate_number(difficulty)
+    question = " %s!" % (x)
+    answer = math.factorial(x)
+    return question, answer
--
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