If the eggs are round, it's not a snake. All snakes lay oval eggs. But then, so do most turtles - but a few - like the soft-shelled turtles and snapping turtles - lay eggs that are as round as a ping-pong ball, but a little smaller. https://accesswdun.com/article/2003/6/177594
There you go.
PS: Posted it to myself the first time. Laid an egg.