code: def parse_args():
      
      parser = argparse.ArgumentParser(
          description='''Convert a set of files to a single h5features file, input files
          can be npz (numpy) or mat (MATLAB) files.''')
  
      parser.add_argument('file', nargs='+', type=str,
                          help='File to convert in the h5features format')
  
      parser.add_argument('-o', '--output', default='features.h5', type=str,
                          help='''The output h5features file to write on
                          (default is %(default)s)''')
  
      parser.add_argument('-g', '--group', default='h5features', type=str,
                          help='''The group to write in the output file
                          (default is %(default)s)''')
  
      parser.add_argument('--chunk', default=0.1, type=float,
                          help='''size of a file chunk in MB
                          (default is %(default)s)''')
  
      return parser.parse_args()
docs: Define and parse command line arguments