def testOneNullList(self):
		self.assertEqual(sumLists([0], []), [0])
		self.assertEqual(sumLists([], [0]), [0])
	def testTwoNumbersOfDifferentLengths(self):
		self.assertEqual(sumLists([5,9,2], [7]), [2,0,3])
	def testTwoNullLists(self):
		self.assertEqual(sumLists([], []),[0])
	def testTwoThreeDigitNumbers(self):
		self.assertEqual(sumLists([6,5,4], [9,8,7]), [5,4,2,1])
	def testTwoTwoDigitNumbersWithCarry(self):
		self.assertEqual(sumLists([2,7], [3,4]), [5,1,1])
	def testTwoSingleDigitNumbersWithCarry(self):
		self.assertEqual(sumLists([6],[7]), [3,1])
	def testTwoSingleDigitNumbers(self):
		self.assertEqual(sumLists([4],[3]),[7])
	def testOneListOfZero(self):
		self.assertEqual(sumLists([5],[0]),[5])