using System.Collections.Generic;
public static void Main()
IDictionary<string, string> book = CreateNewBook("Harry Potter","1931-1002-199-1001","1997","Fantasy,action,magic");
foreach (KeyValuePair<string, string> item in book)
Console.WriteLine("{0} = {1}", item.Key, item.Value);
static IDictionary<string, string> CreateNewBook(string name, string isbn, string releseYear,string genre)
IDictionary<string, string> book = new Dictionary<string, string>();
book.Add("RELEYEAR", releseYear);
book.Add("genre", genre);