diff --git a/pair_sum.py b/pair_sum.py
index e69de29..51935be 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,15 @@
+def pairSum (lst, sum):
+    pairs = []
+    if len(lst) < 2:
+        return []
+    for i,num in enumerate(lst):
+        for j in range (i+1,len(lst)):
+            if num + lst[j] == sum:
+                pairs.append(tuple((num, lst[j])))
+    return pairs
+
+if __name__ == "__main__":
+    print pairSum ([3,5,5,7,9,11],10)
+    #print pairsum (0)
+    #print pairsum (100)
+    #print pairsum (101)
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..3eebd38
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..9199d3f
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..2f0020a
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