using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Collections;

namespace namednodemap
{
    class Program
    {
        static void Main(string[] args)
        {
            XmlDocument doc = new XmlDocument();
            doc.LoadXml("<book genre='novel' publicationdate='1997'><title>pride and prejudice</title></book>");
            XmlAttributeCollection attrcoll = doc.DocumentElement.Attributes;
            XmlAttribute attr = (XmlAttribute)attrcoll.GetNamedItem("genre");
            attr.Value = "fiction";
            Console.WriteLine(doc.OuterXml);
     
        }
    }
}

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