# HG changeset patch
# User Louis Opter <kalessin@kalessin.fr>
# Date 1372661021 25200
# Node ID 8f77e48d3704b08b4be9d2657325751b4c64ff01
# Parent  20fea762903ea17b2f0ddd2cb7423e8e1e1777c9
Add the power of two exercise

diff -r 20fea762903e -r 8f77e48d3704 misc/poweroftwo/question.rst
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/poweroftwo/question.rst	Sun Jun 30 23:43:41 2013 -0700
@@ -0,0 +1,4 @@
+Is a Power of 2?
+================
+
+Write a function that returns true if the given number is a power of two.
diff -r 20fea762903e -r 8f77e48d3704 misc/poweroftwo/solution.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/poweroftwo/solution.py	Sun Jun 30 23:43:41 2013 -0700
@@ -0,0 +1,4 @@
+#!/usr/bin/env python
+
+def is_power_of_two(n):
+    return n > 0 and not n & (n - 1)