using System;

using System.Collections.Generic;

using System.Linq;

​

public static class Program

{

    public static void Main()

    {

        List<int> list = new(Enumerable.Range(1, 15));

        Console.WriteLine($"Before RemoveAll: [{String.Join(", ", list)}]");

        try

        {

            list.RemoveAll(item =>

            {

                if (item == 10) throw new Exception();

                bool removeIt = item % 2 == 1;

                if (removeIt) Console.WriteLine($"Removing #{item}");

                return removeIt;

            });

        }

        catch (Exception ex) { Console.WriteLine(ex); }

        finally

        {

            Console.WriteLine($"After RemoveAll: [{String.Join(", ", list)}]");

        }

    }

}