> There's only one interpreter and your goal is to make a change to its state. Hence, "global interpreter state" There is only one memory space in the process

> There's only one interpreter and your goal is to make a change to its state. Hence, "global interpreter state" There is only one memory space in the process hence no variables are local. Well, this is true, in a sense, but I don't think it's a particularly useful perspective. Also, see the sibling comment.