Update leetcode-231-power-of-two.py

YoTro · YoTro · commit aafa41a91b51 · 2020-05-23T04:40:29.000+08:00
diff --git a/Leetcode/Bit/leetcode-231-power-of-two.py b/Leetcode/Bit/leetcode-231-power-of-two.py
@@ -5,3 +5,6 @@ def isPowerOfTwo(self, n):
         if n == 0:
             return False
         return n & (-n) == n
+if __name__ == '__main__':
+    solution = Solution()
+    print solution.isPowerOfTwo(90)
