diff --git a/pair_sum.py b/pair_sum.py
index e69de29..ea57507 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,10 @@
+def pairSum(l,n):
+    sum = []
+    for i in range(0,len(l)):
+        for j in range(0,len(l)):
+            if(l[i]+l[j]==n):
+                sum.append((l[i],l[j]))
+    return sum
+
+tst = pairSum([1,2,3,4],5)
+print tst
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..57cfdc8
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..c11d09f
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..84025df
Binary files /dev/null and b/tests/test_pairSum.pyc differ