code: def octocat(self, say=None):
          
          url = self._build_url('octocat')
          req = self._get(url, params={'s': say})
          return req.content if req.ok else ''
docs: Returns an easter egg of the API.
  
          :params str say: (optional), pass in what you'd like Octocat to say
          :returns: ascii art of Octocat