diff --git a/geometry/.pythagoras_triplet.py.swp b/geometry/.pythagoras_triplet.py.swp
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diff --git a/geometry/pythagoras_triplet.py b/geometry/pythagoras_triplet.py
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+"""
+This is a pure Python implementation of the Pythagoras Triplets algorithm
+
+Run the doctests with the following command:
+python3 -m doctest -v pythagoras_triplet.py
+or
+python -m doctest -v pythagoras_triplet.py
+For manual testing run:
+python3 pythagoras_triplet.py
+"""
+
+
+from math import sqrt
+class pythagoras_triplet:
+    def pythagoras(side1 : float, side2:  float) -> float:
+        hypotenuse = sqrt(side1**2 + side2**2)
+        return hypotenuse
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()
+
+    side1 = float(input("Enter the side one of the right triangle"))
+    side2 = float(input("Enter the side two of the right triangle"))
+
+    print("Formula of hypotenuse  => sqare root of side1^2 + side2^2")
+    print(pythagoras_triplet.pythagoras(side1, side2))