code: def to_dict(self):
          
          jdict = {
              'user': self.user,
              'summary': self.summary,
              'body': self.body,
              'markup': self.markup,
              'url': self.url,
              'timestamp': self.timestamp
              }
          return jdict
docs: Return description of self in dict format.
  
          This is useful for serializing to something like json later.