We already have None in e.g. Python but that merely means that "x.mathod_name()" instead of throwing a NullPointerException raises an AttributeError, because No

We already have None in e.g. Python but that merely means that "x.mathod_name()" instead of throwing a NullPointerException raises an AttributeError, because None has no method "method_name". Okay? Not really any meaningfully different.