diff --git a/pair_sum.py b/pair_sum.py
index e69de29..82945c1 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,8 @@
+def pairSum(l,n):
+    a=[]
+    if len(l)>2:
+        for i in l:
+            for j in l:
+                if(i+j==n) and not(i==j):
+                    a.append((i,j))
+    return list(set(tuple(sorted(l)) for l in a))
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..e4f1165
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..6492d1a
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..448ffc5
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