static void TestPalindrome()
{
CharLinkedList test = new CharLinkedList();
test.Add('a');
test.Add('b');
test.Add('b');
test.Add('a');
Console.WriteLine($"For characters 'a' 'b' 'b' 'a' IsPalindrome returns: {IsPalindrome(test)}");
CharLinkedList test2 = new CharLinkedList();
test2.Add('a');
test2.Add('b');
test2.Add('c');
test2.Add('d');
Console.WriteLine($"For characters 'a' 'b' 'c' 'd' IsPalindrome returns: {IsPalindrome(test2)}");
}
