diff --git a/build.py b/build.py
index 3171bb0..5b39959 100644
--- a/build.py
+++ b/build.py
@@ -1,4 +1,11 @@
+import numpy as np
+a = np.arange(12,38)
+#print a
+
 def solution(array):
-    """
-    Enter your code here
-    """
\ No newline at end of file
+
+    return array[::-1]
+
+# solution(a)
+# Output :
+# [37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12]]
diff --git a/build.pyc b/build.pyc
new file mode 100644
index 0000000..2c2f1a3
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..dfb1ae7
Binary files /dev/null and b/tests/__init__.pyc differ
diff --git a/tests/test_solution.pyc b/tests/test_solution.pyc
new file mode 100644
index 0000000..d439099
Binary files /dev/null and b/tests/test_solution.pyc differ