`self` is not a keyword. It is a variable. You can use `this` or `banana` or `x` if you like! …and it would be incomplete to point this out without, as the a

`self` is not a keyword. It is a variable. You can use `this` or `banana` or `x` if you like! …and it would be incomplete to point this out without, as the author suggests I should, an obligatory: lol