/**
 * This function accepts two numbers and subtracts them.
 * However, it handles the case where one or both of the numbers are null.
 *
 * @param a First number to be subtracted
 * @param b Second number to be subtracted
 * @return The result of subtracting 'b" from 'a" or null if any of the inputs is null.
 */
fun calculateNoneSubtraction(a: Int?, b: Int?): Int? {

    if (a == null || b == null) {
        return null
    }
    
    return a - b
}
/**
 * This function accepts two numbers and subtracts them.
 * However, it handles the case where one or both of the numbers are null.
 *
 * @param a First number to be subtracted
 * @param b Second number to be subtracted
 * @return The result of subtracting 'b" from 'a" or null if any of the inputs is null.
 */
fun calculateNoneSubtraction(a: Int?, b: Int?): Int? {
/**
 * This function accepts two numbers and subtracts them.
 * However, it handles the case where one or both of the numbers are null.
 *
 * @param a First number to be subtracted
 * @param b Second number to be subtracted
 * @return The result of subtracting 'b" from 'a" or null if any of the inputs is null.
 */
fun calculateNoneSubtraction(a: Int?, b: Int?): Int? {

    if (a == null || b == null) {
        return null
    }
    
    return a - b
}