diff --git a/build.py b/build.py
index 6d455db..ca9bb83 100644
--- a/build.py
+++ b/build.py
@@ -1,9 +1,7 @@
-def solution(list):
-    '''
-    Enter your code here
-    '''
+def solution(a_list):
+    a_list = list(set(a_list))
     unique = []
-    for x in list:
+    for x in a_list:
         if x not in unique:
             unique.append(x)
-    return (unique)
\ No newline at end of file
+    return (unique)
diff --git a/build.pyc b/build.pyc
new file mode 100644
index 0000000..73169ed
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..6995a1a
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..f5e30f1
Binary files /dev/null and b/tests/test_solution.pyc differ