fn classify(int n) -> str {
    if n < 0 {
        return "negative"
    } else if n == 0 {
        return "zero"
    } else {
        return "positive"
    }
}

fn main() {
    print(classify(-5), classify(0), classify(5))

    total := 0
    for i in 0..100 {
        if i % 2 == 0 {
            continue
        }
        if i > 10 {
            break
        }
        total += i
    }
    print("odd sum below 10:", total)

    n := 0
    while true {
        n += 1
        if n == 5 {
            break
        }
    }
    print("n:", n)

    for i in 3..3 {
        print("never")
    }
    {
        inner := "blocks have their own scope"
        print(inner)
    }
}