using System;
using System.Collections.Generic;
 
class Example
{
    public static void Main()
    {
        Queue<string> bookCollection = new Queue<string>();
 
        bookCollection.Enqueue ("The Black Book");
        bookCollection.Enqueue ("The Light we Cannot See");
        bookCollection.Enqueue ("The Sun is Also a Star");
        bookCollection.Enqueue ("A Man Called Ove");
	bookCollection.Enqueue ("A Dog's Purpose: A Novel for Humans");
 
       // Print the breeds in my Queue
         Console.WriteLine("Here are some of the most popular books on New York Times best sellers list:");
        foreach (string books in bookCollection)
        {
            Console.WriteLine(books);
        }
 	booksCollection.Dequeue ();
 
        Console.WriteLine("\nLets get rid of a couple and add some more.");
        foreach (string books in booksCollection)
        {
            Console.WriteLine(books);
        }
 
 
        Console.Write("\nNumber of books listed above: " + booksCollection.Count);
    }
}

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