> I mean, it won't have a useful value, so I need to re assign to it, at which point I could just be using a new variable right? I have a hard time understandi

> I mean, it won't have a useful value, so I need to re assign to it, at which point I could just be using a new variable right? I have a hard time understanding why "I could just be using a new variable" follows from "it won't have a useful value".