formatting_xml_1.cs

public class Person
{
    public string FirstName { get; set; }
    
    public string LastName { get; set; }
    
    public int Age { get; set; }
    
    public string Email { get; set; }
    
    public PhoneNumber[] PhoneNumbers { get; set; }
}

public class PhoneNumber 
{
	public string AreaCode { get; set; }
	
	public string Number { get; set; }
}