RoundHistory.cs

public class RoundHistory
{
    // List to store the results of each round
    private List<RoundResult> roundResults;

    // Constructor to initialize the round history
    public RoundHistory()
    {
        roundResults = new List<RoundResult>();
    }

    // Adds a round result to the round history
    public void AddRoundResult(RoundResult result)
    {
        roundResults.Add(result);
    }

    // Retrieves all the round results
    public List<RoundResult> GetRoundResults()
    {
        return roundResults;
    }
}