/**
 * This function calculates the population density of a certain area
 */
fun calculatePopulationDensity(area: Double, population: Double): Double {

    val populationDensity = population / area
    return populationDensity
}
/**
 * This function calculates the population density of a certain area
 */
fun calculatePopulationDensity(area: Double, population: Double): Double {
/**
 * This function calculates the population density of a certain area
 */
fun calculatePopulationDensity(area: Double, population: Double): Double {

    val populationDensity = population / area
    return populationDensity
}