diff --git a/pair_sum.py b/pair_sum.py
index e69de29..22cabb7 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,7 @@
+def pairSum(arg_list, arg_num):
+    output = []
+    for x in arg_list:
+        for n in arg_list:
+            if x + n == arg_num:
+                output.append((x, n))
+    return output
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..581215d
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..b789a1a
Binary files /dev/null and b/tests/__init__.pyc differ
diff --git a/tests/test_pairSum.pyc b/tests/test_pairSum.pyc
new file mode 100644
index 0000000..fc2b8cb
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