C# (CSharp) Task20 примеры использования

Пример #1

        public void TestFactorialDigitSum()
        {
            int factorial = 100;
            var task      = new Task20();

            Assert.AreEqual(648, task.Run(factorial), $"Factorial digit sum is is incorrect");
        }

Пример #2

 static void Main(string[] args)
 {
     Task20.ExecuteTask();
     Task21.ExecuteTask();
 }