code: def run(self):
          
          with self.output().open('w') as output:
              for _ in range(1000):
                  output.write('{} {} {}\n'.format(
                      random.randint(0, 999),
                      random.randint(0, 999),
                      random.randint(0, 999)))
docs: Generates bogus data and writes it into the :py:meth:`~.Streams.output` target.