code: def postags(self):
          
          if not self.is_tagged(ANALYSIS):
              self.tag_analysis()
          return self.get_analysis_element(POSTAG)
docs: The list of word part-of-speech tags.
  
          Ambiguous cases are separated with pipe character by default.
          Use :py:meth:`~estnltk.text.Text.get_analysis_element` to specify custom separator for ambiguous entries.