I consider myself pretty good at Python, and I would need to look that up. OK yeah whatever, one's a generator. Makes sense. Why would I need to memorize someth

I consider myself pretty good at Python, and I would need to look that up. OK yeah whatever, one's a generator. Makes sense. Why would I need to memorize something like this in order to be "legit"? Clearly if I was gonna generate a fairly big range, I'd be like "I wonder what the memory implications for this are".