Please don't post solution code in the discourse without a spoiler tag. If you are posting code of any sort, please format it correctly.

Use backticks for inline code snippets `like this` => like this

Use triple backticks for code blocks

```

Like this

```

=>

Like this

Your solution is close but your logic is not quite correct; add the following test case and see if it helps:
test.assert_equals(get_num(400), 2, "Wrong output!")