//Instructions
//Create a function that takes a string and returns the number (count) of vowels contained within it.

using System;
using System.Linq;
public class Program 
{
//I thought I was being clever but I could have done this even cleaner
    public static int CountVowels(string str) =>
     str.Where(x => (x =='a') || (x== 'e') || ( x== 'i' ) || (x=='o')|| ( x=='u') ).Count();
}
