fn main()
{
  let mut n = 5;
  let thread_body = move || {
    for i in 1..10 {
      println!("Count {}, n is {}", i, n);
      std::thread::sleep(std::time::Duration::from_millis(100));
    }
  };
  let h = std::thread::spawn(thread_body);

  std::thread::sleep(std::time::Duration::from_millis(300));
  println!("Main thread, here!");
  n = 6;
  println!("My new n value is {}", n);

  h.join();
}