fn is_prime(n int) bool { if n <= 1 { return false } for i := 2; i * i <= n; i++ { if n % i == 0 { return false } } return true } fn main() { how_many := arguments()[1] or { '10' }.int() mut count := 0 mut num := 2 for count < how_many { if is_prime(num) { println(num) count++ } num++ } }