I am currently running this code

```
func main() {

    let x = [ap];
    [ap] = 1, ap++;

    [ap] = 2, ap++;

    [ap] = x, ap++;
    jmp rel -1;  // Jump to the previous instruction.
}

And what is happening is that "x" is alternating between 1 and 2 and I couldn't figure out why.

Also, it wasn't very clear to me what a "Revoked Reference" means. Is it when you cannot access a certain [ap] when running a specific function?

This is the link to the exercise:
https://www.cairo-lang.org/docs/how_cairo_works/consts.html#revoked-references

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