diff --git a/python/ThreeNumbers.py b/python/ThreeNumbers.py
new file mode 100644
index 0000000..70a716d
--- /dev/null
+++ b/python/ThreeNumbers.py
@@ -0,0 +1,26 @@
+#   Three number sum program
+#   We will be using the sliding window algorithm here as well which will give us the complexity of O(nlogn)
+
+def sum_of_three(arr, target) : 
+    result = list()
+    arr.sort()
+    
+    for i in range(len(arr)-2) : 
+        left = i+1;right=len(arr)-1
+
+        while left < right : 
+            current_sum = arr[i] + arr[left] + arr[right]
+            if current_sum == target : 
+                result.append((arr[i], arr[left], arr[right]))
+                left+=1
+                right-=1
+            elif current_sum < target : 
+                left += 1
+            elif current_sum > target :
+                right -= 1
+    else : 
+        print("Dont with the loop")
+    return result
+
+if __name__ == '__main__' : 
+    print(sum_of_three([3,5,-4,8,11,1,-1,6], 10))