diff --git a/build.py b/build.py
index ca073ba..9c21814 100644
--- a/build.py
+++ b/build.py
@@ -1,4 +1,13 @@
+import numpy as np
+
 def solution(array):
-    """
-    Enter code here
-    """
\ No newline at end of file
+    for i in range(1,4):
+        for j in range(1,4):
+            array[i][j] = 0.0
+    return array
+
+
+
+
+
+solution(np.ones((5,5)))
diff --git a/build.pyc b/build.pyc
new file mode 100644
index 0000000..3aadf1c
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..7fa9ab3
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..d9702c4
Binary files /dev/null and b/tests/test_solution.pyc differ