text: """Augment training data by flipping it horizontally."""
  
  from __future__ import print_function
  
  import argparse
  
  import training_data
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser()
      parser.add_argument('--output', '-o', default='output.csv', help="Set the output file")
      parser.add_argument('input', help="Specify input file")
      args = parser.parse_args()
  
      data = training_data.training_data()
      data.import_csv(args.input)
      c = data.copy()
      c.hflip()
      data.merge(c)
      data.export_csv(args.output)
  