private static void DoHash()
{
var input = "bgvyzdsv";
var hashThing = new _4AdventCoins();
var hashNumber = hashThing.GetHashNumber(input, 5);
Console.WriteLine($"Answer to 4a is {hashNumber}");
Console.WriteLine($"Answer to 4b is {hashThing.GetHashNumber(input, 6, hashNumber)}");
}
public void TestAdventCoins(string secretKey, int expectedNumber)
{
var sut = new _4AdventCoins();
Assert.AreEqual(expectedNumber, sut.GetHashNumber(secretKey, 5));
}