Merge pull request matthewsamuel95#607 from adamyordan/master

added Math/Power implementation and test in python

Author: matthewsamuel95

Math/Power/power.py

@@ -0,0 +1,21 @@
+def power(x, y):
+    "Caculate x ** y"
+    n = 1
+    while y:
+        if y & 1:
+            n *= x
+        y >>= 1
+        x *= x
+    return n
+
+
+def test():
+	assert (2 ** 5 == power(2, 5))
+	assert (3 ** 4 == power(3, 4))
+	assert (5 ** 2 == power(5, 2))
+	assert (1 ** 0 == power(1, 0))
+	assert (0 ** 0 == power(0, 0))
+
+
+if __name__ == '__main__':
+    test()