code: def _check_parameters(parameters, symbols):
      
      for param in parameters:
          if not param:
              raise ValueError(EMPTY_PARAMETER)
          elif (param[0] in symbols) and (not param[1:]):
              print(param)
              raise ValueError(EMPTY_KEYWORD_PARAMETER)
docs: Checks that the parameters given are not empty. Ones with prefix symbols
      can be denoted by including the prefix in symbols