double Suma(double,double); double Resta(double,double); double Multiplicacion(double,double); double Division(double,double); double Raiz_cuadrada(double); double resultadop(double); void valor(double*,double);

import unittest
    class TestAdd(unittest.TestCase):
      def test_Suma(self):
        self.assertEqual(Suma(1, 2), 3)
      def test_Resta(self):
        self.assertEqual(Resta(3, 2), 1)
      def test_Multiplicacion(self):
        self.assertEqual(Multiplicacion(3, 2), 6)
      def test_Division(self):
        self.assertEqual(Division(3, 2), 1.5)
      def test_Raiz_cuadrada(self):
        self.assertEqual(Raiz_cuadrada(4), 2)