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The Perfect Solution
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this post was submitted on 17 Jan 2024
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True or false or null.
Mathematicians didn't know it yet, but numbers can now be even, odd or neither.
Ah, yes, a three-state boolean.
Even Linus Torvalds prefers an
int-based truthiness toboolNon integers certainly aren't even or odd, so yes?
Yeah, I'm chalking that up to Python's untypedness. I was going to write "integers", but technically that function takes a "num", whatever that is.
For all we know, it could be a string, asking ChatGPT to hack the government. Is that even? Probably no. Or None. Or T-Rex. Without reading the entire function, we don't know that it's not returning T-Rex.
Thankfully, it doesn't matter. Just stick the result into an if-else, then False and None will land you in the else-branch. And both True and our Truthiness-Rex will land you in the if-branch. Just as Guido intended.
...this rant brought to you by trauma.