Cute_ Panda 🐼 就業了，Still 窮。 says to OwO /rust@mmis_js_bot fn main() { println!("Hello world!"); println!("0"); let mut i1 = 0; let mut i2 = 1; while i2<10 { println!("{}",i2); let swap = i2; i2=i1+i2; i1=swap; } }