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import gleam/int
import gleam/order.{Eq, Gt, Lt}
pub fn is_between(number: Int, min: Int, and max: Int) {
min <= number && number <= max
}
pub fn ceil_divide(dividend: Int, by divisor: Int) -> Int {
{ dividend + divisor - 1 } / divisor
}
fn gcd(a: Int, b: Int) -> Int {
case b == 0 {
True -> a
False -> gcd(b, a % b)
}
}
pub fn lcm(a: Int, b: Int) -> Int {
case int.compare(a, b) {
Gt | Eq -> { a / gcd(a, b) } * b
Lt -> { b / gcd(a, b) } * a
}
}
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