diff --git a/build.py b/build.py
index e58ff13..0adf6d4 100644
--- a/build.py
+++ b/build.py
@@ -1,7 +1,12 @@
 import numpy as np
 
 
-def solution(array):
-    """
-    Enter your code here
-    """
\ No newline at end of file
+def solution(arr):
+
+    return np.unique(arr)
+
+
+arr1 = np.array([10, 10, 20, 20, 30, 30])
+arr2 = np.array([[1, 1], [2, 3]])
+print(solution(arr1))
+print(solution(arr2))
diff --git a/build.pyc b/build.pyc
new file mode 100644
index 0000000..cd86ecb
Binary files /dev/null and b/build.pyc differ
diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..c6b97a3
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..f61a0bb
Binary files /dev/null and b/tests/test_solution.pyc differ