public IReportBuilder EnrichReport(IEnumerable <Player> players, IReportBuilder partialReport)
{
if (players == null)
{
throw new ArgumentNullException(nameof(players));
}
if (partialReport == null)
{
throw new ArgumentNullException(nameof(partialReport));
}
var averageHeight = players.Select(p => ConvertPlayerHeightToCm(p.Height)).Average();
return(partialReport.WithAverageHeight(averageHeight));
}