How to deal with printing and comparison with a reference-based system.

structures.py

#[...]
  def get(self):
      if self.SOS:
          return '<SOS>'
      elif self.EOS:
          return '<EOS>'
      else:
          return self._sentence_string[self.start_pos:self.end_pos]
# Displays the Token value in the terminal if the variable is called
  def __repr__(self):
      return self.get()
# Displays the Token value to the stdout
  def __str__(self):
      return self.get()
# Compares one token to other in a simple string-based fashion.
  def __eq__(self, other):
      return self.get() == other