code: def main(ctx, **kwargs):
      
      in_format = kwargs.pop('in_format')
      out_format = kwargs.pop('out_format') or kwargs.pop('out_flag')
      no_flip = kwargs.pop('no_flip')
      clean = kwargs.pop('clean')
      long_form = kwargs.pop('long')
      input_file = kwargs.pop('input')
      output_file = kwargs.pop('output')
  
      if not in_format:
          if input_file.name.endswith(".json"):
              in_format = "json"
          elif input_file.name.endswith(".yaml") or input_file.name.endswith(".yml"):
              in_format = "yaml"
  
      if input_file.name == "<stdin>" and sys.stdin.isatty():
          click.echo(ctx.get_help())
          ctx.exit()
  
      try:
          output_file.write(flip(
              input_file.read(),
              in_format=in_format,
              out_format=out_format,
              clean_up=clean,
              no_flip=no_flip,
              long_form=long_form
          ))
      except Exception as e:
          raise click.ClickException("{}".format(e))
docs: AWS CloudFormation Template Flip is a tool that converts
      AWS CloudFormation templates between JSON and YAML formats,
      making use of the YAML format's short function syntax where possible.