basically works

Program.cs

@@ -1,11 +1,34 @@
-
-namespace podcast_agent
+namespace podcast_agent
 {
+    using System.Xml.Linq;
+
     class Program
     {
         static async Task Main(string[] args)
         {
-            Console.WriteLine("hello world");
+            var downloader = new HttpClient();
+            downloader.DefaultRequestHeaders.UserAgent.ParseAdd("wget-is-not-a-crime");
+
+            var xml = XDocument.Load("https://feeds.npr.org/500005/podcast.xml");
+
+            XNamespace ns = "http://www.itunes.com/dtds/podcast-1.0.dtd";
+            foreach (var item in xml.Descendants("item"))
+            {
+                var title = item.Element("title")?.Value;
+                var ext=".wav";
+                var attachmentLink = item.Element("enclosure")?.Attribute("url")?.Value.ToString();
+                var probableFilename = attachmentLink.Substring(0, attachmentLink.IndexOf('?'));
+                if(probableFilename.LastIndexOf('.') > 0)
+                {
+                    ext = probableFilename.Substring(probableFilename.LastIndexOf('.'));
+                }
+
+                Console.WriteLine($"{title}, {attachmentLink}");
+                var downloadPath = title + ext;
+                var dlResult = (await downloader.GetAsync(attachmentLink));
+                File.WriteAllBytes(downloadPath, await dlResult.Content.ReadAsByteArrayAsync());
+            }
+
         }
     }
 }