3.13 - Vowel - if

Objetive
Create a program to ask the user for a symbol and answer if it is a (lowercase) vowel, a digit, or any other symbol, using "if".

Solution
using System;
public class SwitchVowel
{
    public static void Main()
    {
        char symbol;
        
        Console.Write("Enter a symbol: ");
        symbol=Convert.ToChar(Console.ReadLine());
        
        if ((symbol == 'a') || (symbol == 'e') || (symbol == 'i') || 
                (symbol == 'o') || (symbol == 'u'))
            Console.WriteLine("It's a lowercase vowel.");
        else if ((symbol >= '0') && (symbol <= '9'))
            Console.WriteLine("It's a digit.");
        else
            Console.Write("It's another symbol.");        
    }
}

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