@staticmethod
def dotDrawTransition(st1, label, st2, sep='\n'):
    """ Draw a transition in Dot Format

        :param str st1: starting state
        :param str st2: ending state
        :param str label: symbol
        :param str sep: separator
        :rtype: str"""
    return '"{0:s}" -> "{1:s}" [label = "{2:s}"];{3:s} '.format(st1, st2,
        label, sep)
