I enjoyed Mark Lewis’s lighthearted April 12 column on “Girl Math” and appreciated his humor and self-awareness. However, I’d like to gently point out something the column inadvertently reveals about ...

We mostly use the fill handle or auto-fill options for date columns, and sure, they work. But once you need hundreds of rows, weekly intervals, or dates that have to shift when your data changes, ...

Excel is my database, Python is my brain.