code: def _get_sequence_with_spacing(self, # pylint: disable=no-self-use
                                     new_grammar,
                                     expressions: List[Expression],
                                     name: str = '') -> Sequence:
          
          expressions = [subexpression
                         for expression in expressions
                         for subexpression in (expression, new_grammar['ws'])]
          return Sequence(*expressions, name=name)
docs: This is a helper method for generating sequences, since we often want a list of expressions
          with whitespaces between them.