def test_3(self):
input_string = "^v^v^v^v^v"
santa, robo = split_instructions(input_string)
self.assertEqual("^^^^^", santa)
self.assertEqual("vvvvv", robo)
def test_2(self):
input_string = "^>v<"
santa, robo = split_instructions(input_string)
self.assertEqual("^v", santa)
self.assertEqual("><", robo)
