private void Remove_final_matches(string input)
 {
     if (input.Contains(","))
     {
         Reconciliator.Remove_multiple_final_matches(
             input
             .Split(',')
             .Select(x => Convert.ToInt32(x))
             .ToList());
     }
     else
     {
         Reconciliator.Remove_final_match(Convert.ToInt32(input));
     }
     Recursively_show_final_matches_and_get_choices();
 }