When using File Explorer, ________ indicate that the current path is too long to fit in the address bar

Cars often have ________ networks

A) ROVER-5 and ethernet B) Wi-Fi and Bluetooth C) Exhaust and fuel injection D) IPv7 and IPv6

Why does the following assignment statement generate an error?

>>> x.y = 5 Traceback (most recent call last): File "", line 1, in NameError: name 'x' is not defined