diff --git a/pair_sum.py b/pair_sum.py
index e69de29..b770567 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,16 @@
+def pairSum(n, number):
+    if isinstance(n, list):
+        if len(n) < 2:
+            return False
+        pair = []
+        i = 0
+        for i in range(i, len(n)+1):
+            for j in range(i+1, len(n)+1):
+                if number == (i + j):
+                    pair.append((i,j))
+        return pair
+
+
+    else:
+        return False
+print pairSum([1,2,3,4,6,7,8,9,10],15)
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..97a6866
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..9a3ecde
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..f9045f5
Binary files /dev/null and b/tests/test_pairSum.pyc differ