using System.Collections.Generic;
public static void Main()
List<int> numbers = new List<int> {
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
List<int> removeNumbers = new List<int> {
List<int> filteredNumbers = new List<int> ();
double sumFilNumbers = 0;
foreach(var num in numbers)
var exists = removeNumbers.Contains(num);
filteredNumbers.Add(num);
Console.WriteLine("1. Numbers filtering. Use the variable 'removeNumbers' containing the numbers to be removed from variable 'numbers'.");
Console.Write("Filtered Numbers: ");
foreach(var num in filteredNumbers)
Console.Write(num + " ");
string sum = string.Format("{0:0.00}", sumFilNumbers);
Console.WriteLine("\n\n2. After filtering the numbers, show the sum of filtered numbers with 2 decimal places.");
Console.Write("Sum of Filtered Numbers: " + sum);