docs: def _init_table_from_dfa(self, mma):
          """
          Initializes table form a DFA
          Args:
              mma: The input automaton
          Returns:
              None
          """
          observation_table_init = ObservationTableInit(self.epsilon, self.alphabet)
          sm_vector, smi_vector, em_vector = observation_table_init.initialize(mma, True)
          self.observation_table.sm_vector = sm_vector
          self.observation_table.smi_vector = smi_vector
          self.observation_table.em_vector = em_vector
  
          logging.info('Initialized from DFA em_vector table is the following:')
          logging.info(em_vector)
  
          self._fill_table_entry(self.epsilon, self.epsilon)
  
          # list(set([])) is used to remove duplicates, [1:0] to remove epsilon
          for row in sorted(list(set(sm_vector + smi_vector)), key=len)[1:]:
              for column in em_vector:
                  self._fill_table_entry(str(row), str(column))