diff --git a/pair_sum.py b/pair_sum.py
index e69de29..f66d3c0 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,10 @@
+def pairSum(input_list, sum):
+    sum_pairs = []
+    while len(input_list):
+        a = input_list.pop(0)
+        for i in input_list:
+            if a + i == sum:
+                sum_pairs.append([a, i])
+                input_list.remove(i)
+                break
+    return sum_pairs
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..aec399c
Binary files /dev/null and b/pair_sum.pyc differ
diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..b2143d2
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..5eb3d7b
Binary files /dev/null and b/tests/test_pairSum.pyc differ