There is a `Path-alike` : ``['articles', ny, 'content']`` in the transform function. very_short_news = news_paper.transform(['articles', ny, 'content'], lambda c: c[:15] + '...' if len(c) > 15 else c) Could we have something `Path-alike` to *Query* elements news_paper.query(['articles', ny, 'author']) == ['Sara', 'Steve'] the list can be easily built and compose to other type of path points to elements of interest