fn hella(x) {
    print("hey")
    if x == 3 {
        Null
    } else {
        hella(x + 1)
    }
}

hella(0)
        


fn fib(x) {
    if x < 3 {
      1
    } else {
      fib(x - 1) + fib(x - 2)
    }
}

fib(10)