Usage: ./manage.py groups [OPTIONS] COMMAND [ARGS]...

  Test multiple groups commands and callbacks

Options:
  --version          Show program's version number and exit.
  --settings TEXT    The Python path to a settings module, e.g.
                     "myproject.settings.main". If this isn't provided, the
                     DJANGO_SETTINGS_MODULE environment variable will be used.
  --pythonpath PATH  A directory to add to the Python path, e.g.
                     "/home/djangoprojects/myproject".
  --traceback        Raise on CommandError exceptions
  --no-color         Don't colorize the command output.
  --force-color      Force colorization of the command output.
  --skip-checks      Skip system checks.
  --help             Show this message and exit.

Commands:
  echo    Echo the given message.
  math    Do some math at the given precision.
  string  String operations.
