code: def GetCommandLineArguments(self):
      
      command_line_arguments = sys.argv
      if not command_line_arguments:
        return ''
  
      if isinstance(command_line_arguments[0], py2to3.BYTES_TYPE):
        encoding = sys.stdin.encoding
  
        # Note that sys.stdin.encoding can be None.
        if not encoding:
          encoding = self.preferred_encoding
  
        try:
          command_line_arguments = [
              argument.decode(encoding) for argument in command_line_arguments]
  
        except UnicodeDecodeError:
          logger.error(
              'Unable to properly read command line input due to encoding '
              'error. Replacing non Basic Latin (C0) characters with "?" or '
              '"\\ufffd".')
  
          command_line_arguments = [
              argument.decode(encoding, errors='replace')
              for argument in command_line_arguments]
  
      return ' '.join(command_line_arguments)
docs: Retrieves the command line arguments.
  
      Returns:
        str: command line arguments.