code: def output(self, to=None, *args, **kwargs):
          '''Outputs to a stream (like a file or request)'''
          for blok in self:
              blok.output(to, *args, **kwargs)
          return self output(self, to=None, *args, **kwargs):
          '''Outputs to a stream (like a file or request)'''
          for blok in self:
              blok.output(to, *args, **kwargs)
          return self
docs: Outputs to a stream (like a file or request)