<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _list_po_to_dict(tokens) -> ListAbundance: """Convert a list parse object to a node. :type tokens: ParseResult """

    func = tokens[FUNCTION]
    dsl = FUNC_TO_LIST_DSL[func]

    members = [parse_result_to_dsl(token) for token in tokens[MEMBERS]]

    return dsl(members)