use std::thread;
use std::time;
fn main() {
    let handle = thread::spawn(|| {
        for _ in 1..10 {
            print!("+");
            thread::sleep(time::Duration::from_millis(500));
        }

    });


    for _ in 1..10 {
        print!("-");
        thread::sleep(time::Duration::from_millis(300));
    }

    handle.join();
}