Golf balls

Which types of them is better to choose for a newbie?

In case of newbies certain types of golf balls don't matter much, it's the same with all other elements of your beginner set.
Of course there are some differences between various types of golf balls, their main cryteria are prices and material, for example in case of the last one the most popular ones are ionomer and urethane balls https://golfclubguru.net/golf-balls/. In case of prices the cheapest ones usually cost $10-20 and this type is the most popular for newbies. You don't really need an expensive set for your learning time, besides without being an experienced player you'll anyway won't notice any huge difference among the balls from different material for example.