In the section 'Write to a CSV: spark_write_csv() and sdf_coalesce()' if it is not clear that the first box is the incorrect answer and that you need to move onto the second. I think this needs to be more obvious as if you are just scanning for answers you can easily miss this distinction.
In the section 'Write to a CSV: spark_write_csv() and sdf_coalesce()' if it is not clear that the first box is the incorrect answer and that you need to move onto the second. I think this needs to be more obvious as if you are just scanning for answers you can easily miss this distinction.