code: def literals():
          '''Returns a list of literals
          in the Synset
          read-only
          '''
          def fget(self):
              if self.variants:
                  return map(lambda x: x.literal,
                             self.variants)
              else:
                  return None
   
          return locals(f literals():
          '''Returns a list of literals
          in the Synset
          read-only
          '''
          def fget(self):
              if self.variants:
                  return map(lambda x: x.literal,
                             self.variants)
              else:
                  return None
   
          return locals()
docs: Returns a list of literals
          in the Synset
          read-only