def testSumatoria1(self):
     result = sumatoria([6, -5])
     self.assertEqual(result, 5)
 def testSumatoria6(self):
     result = sumatoria([-19289, 7853])
     self.assertEqual(result, -77593260)
 def testSumatoria5(self):
     result = sumatoria([4321, 1234])
     self.assertEqual(result, 4284911)
 def testSumatoria4(self):
     result = sumatoria([123, 321])
     self.assertEqual(result, 21756)
 def testSumatoria3(self):
     result = sumatoria([12, 12])
     self.assertEqual(result, 0)
 def testSumatoria2(self):
     result = sumatoria([12, 15])
     self.assertEqual(result, 13)