test "test_if" {
    let x = 10;

    if (x > 5) {
        printf("X is big\n");
        let y = x * 2;
        if (y > 15) {
            printf("Y is very big\n");
        }
    } else {
        printf("X is small\n");
    }

    let i = 0;
    while (i < 3) {
        println "Loop {i}";
        i++;
    } 
}