> cross product and filter `.join_where()`[1] was also added recently. [1]: https://docs.pola.rs/api/python/stable/reference/dataframe/api/polars.DataFrame.jo

> cross product and filter `.join_where()`[1] was also added recently. [1]: https://docs.pola.rs/api/python/stable/reference/dataframe/api/polars.DataFrame.join_where.html https://docs.pola.rs/api/python/stable/reference/dataframe/a...