Galaxian SpaceBooks come in silver, gold, and copper, and diameters of 13’’, 14’’, and 16’’. The local Space Apple store has posted the follwoing sign:


if color == 'gold' or color == 'silver' and size == 13 or size == 16:

print('We have your model in stock')


The Galaxer would like to know what laptop configurations are currently available:


I don't get how the or and works in this problem