code: def _echo_setting(key):
      
      value = getattr(settings, key)
      secho('%s: ' % key, fg='magenta', bold=True, nl=False)
      secho(
          six.text_type(value),
          bold=True,
          fg='white' if isinstance(value, six.text_type) else 'cyan',
      )
docs: Echo a setting to the CLI.