code: def dedupe(input_file, output_file, returncmd=False, **kwargs):
      
      options = kwargs_to_string(kwargs)
      cmd = 'dedupe.sh in={} out={}{}'.format(input_file, output_file, options)
      out, err = accessoryfunctions.run_subprocess(cmd)
      if returncmd:
          return out, err, cmd
      else:
          return out, err
docs: Runs dedupe from the bbtools package.
      :param input_file: Input file.
      :param returncmd: If set to true, function will return the cmd string passed to subprocess as a third value.
      :param output_file: Output file.
      :param kwargs: Arguments to give to dedupe in parameter=argument format. See dedupe documentation for full list.
      :return: out and err: stdout string and stderr string from running dedupe.