so you can see right here the q function of a policy um is going to be a function of where you are and what you do and this is a bit confusing but it basically means that you are in state s so you are here and you have let's say three options action one action two action three to do now the q function tells you the q function this is s and the a's are the numbers okay so let's say we plug in the state s and for a we plug in number two what it will tell you is if i am in state s and i perform action number two