/**
 * This function takes a string as input and returns 
 * the total number of vowels present in it.
 * 
 * @param inputString a string
 * @return the number of vowels in the string
 */
fun numberOfVowels(inputString: String): Int {

    // Initialize the count variable to 0
    var count = 0
    
    // Loop through each character in the string
    for (char in inputString) {
        // Check if the character is a vowel (case-insensitive)
        if (char.toLowerCase() in listOf('a', 'e', 'i', 'o', 'u')) {
            // Increment the count variable
            count++
        }
    }
    
    // Return the final count
    return count
}
/**
 * This function takes a string as input and returns 
 * the total number of vowels present in it.
 * 
 * @param inputString a string
 * @return the number of vowels in the string
 */
fun numberOfVowels(inputString: String): Int {
/**
 * This function takes a string as input and returns 
 * the total number of vowels present in it.
 * 
 * @param inputString a string
 * @return the number of vowels in the string
 */
fun numberOfVowels(inputString: String): Int {

    // Initialize the count variable to 0
    var count = 0
    
    // Loop through each character in the string
    for (char in inputString) {
        // Check if the character is a vowel (case-insensitive)
        if (char.toLowerCase() in listOf('a', 'e', 'i', 'o', 'u')) {
            // Increment the count variable
            count++
        }
    }
    
    // Return the final count
    return count
}