The glass temp affects the substrate, but it doesn't need to be measured if the ball python is resting on the substrate. It's the substrate's temp that matters.
Yes, again I said if the ball python is resting on the substrate.
For every 15-foot python out in the Everglades, there are thousands of species of clams, trees, cats, grasses and birds that are wrecking just as much havoc across the globe. So, for all the headaches the snakes are causing, I at least applaud them for being scary enough to get people's attention.