Rest der Methoden

  def test_single(self):
      """Test parse_int_list with one ints"""
      self.assertEquals(parse_int_list("42"),
                        [42])

  def test_empty(self):
      """Test parse_int_list with empty string"""
      self.assertEquals(parse_int_list(""),
                        [])

  def test_whitespace(self):
      """Test parse_int_list whitespace variations"""
      self.assertEquals(parse_int_list("   1  2\t 4"),
                        [1, 2, 4])
      self.assertEquals(parse_int_list("1\t2\n4\n"),
                        [1, 2, 4])