I'm learning code with Apple Swift Playgrounds

I’ve been in the tech publishing industry for 25 years, but that no more makes me a programmer than someone watching football on TV for a quarter of a century makes them a quarterback. 
Code is my Achilles’ heel. Its proximity to formulas makes me queasy. It’s not that I can’t understand any code. Back in high school, I was a whiz at geometry, but then stumbled badly in chemistry and trigonometry. Similarly, I spent a summer learning BASIC and coding an incredibly si