diff --git a/pair_sum.py b/pair_sum.py
index e69de29..ce2f7b0 100644
--- a/pair_sum.py
+++ b/pair_sum.py
@@ -0,0 +1,16 @@
+li = [1,2,3,4,4,3]
+no = 5
+def pairSum(l,number):
+    ans = []
+    for i in range(len(l)):
+        a = len(l)
+        while(a!=i):
+            a=a-1
+            if(l[a]+l[i]==number):
+                ans.append((l[i],l[a]))
+    s = {ans[0]}
+    for i in range(1,len(ans)):
+        s.add(ans[i])
+    return s
+s= pairSum(li,no)
+print(s)
diff --git a/pair_sum.pyc b/pair_sum.pyc
new file mode 100644
index 0000000..6ff98e4
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diff --git a/tests/__init__.pyc b/tests/__init__.pyc
new file mode 100644
index 0000000..88a9a56
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..39ace23
Binary files /dev/null and b/tests/test_pairSum.pyc differ