Improve formatting for Event Create

Core/Calculation/TeamSchedulerSolution.cs

@@ -29,4 +29,16 @@ public class TeamSchedulerSolution(
             where gs.Key.Count() > 1
             select Tuple.Create(gs.First(), gs.Key);
     }
+
+
+    public static Student[] GetStudentsNotInTimSlot(Team[] timeSlot, Student[] students)
+    {
+        var studentsInTimeSlot = timeSlot.SelectMany(ts => ts.Students).Distinct();
+        return
+            (from allStudent in students
+                where studentsInTimeSlot.FirstOrDefault(e => e.Equals(allStudent)) == null
+                select allStudent
+            ).ToArray();
+
+    }
 }