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KIKunstKirstenKlöckner/Extensions/ListExtension.cs

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+namespace KIKunstKirstenKlöckner.Extensions
+{
+    public static class ListExtension
+    {
+        public static IEnumerable<T> PickRandom<T>(this List<T> list, int n)
+        {
+            if (list.Count == 0)
+            {
+                throw new ArgumentException("List cannot be emtpy: ", nameof(list));
+            }
+            if (n <= 0)
+            {
+                throw new ArgumentException("n must be greater than 0: ", nameof(n));
+            }
+
+            for (int i = 0; i < n; i++)
+            {
+                int index = Random.Shared.Next(list.Count);
+                yield return list[index];
+            }
+        }
+    }
+}