Is Data Structure Important in Algorithms?

"It's so surprising that you got like, I was kind of half joking when I said like, no, I'll make everything a list and worry about later. But I'm kind of like, not. No, man, like it's not a problem until it is and then focus on it," he says. "Everything's fast for small in, right? So you're not going to know it's not it's not an issue until it becomes a problem."