code: def synsets(self, lemma, pos = None):
          '''
          Looks up synsets in the GermaNet database.
  
          Arguments:
          - `lemma`:
          - `pos`:
          '''
          return sorted(set(lemma_obj.synset
                            for lemma_obj in self.lemmas(lemma, pos))f synsets(self, lemma, pos = None):
          '''
          Looks up synsets in the GermaNet database.
  
          Arguments:
          - `lemma`:
          - `pos`:
          '''
          return sorted(set(lemma_obj.synset
                            for lemma_obj in self.lemmas(lemma, pos)))
docs: Looks up synsets in the GermaNet database.
  
          Arguments:
          - `lemma`:
          - `pos`: