Add solution for array left rotation

Author: Dhruv Singh

hackerrank/array-left-rotation.py

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+# https://www.hackerrank.com/challenges/array-left-rotation
+
+n, d = map(int, raw_input().split())
+a = map(str, raw_input().split())
+print ' '.join(a[d:] + a[0:d])