def test_equals_2(self): self.assertEqual(bin_to_hex('001111'), 'f')
def test_equals_4(self): self.assertEqual(bin_to_hex('10011010010'), '4d2')
def test_equals(self): self.assertEqual(bin_to_hex('000101'), '5')
def test_equals_3(self): self.assertEqual(bin_to_hex('000'), '0')