// behaviour

        public void AddPlayer(FootBallPlayer player)
        {
            this.Rating = CalculatePlayerRating(player);
            if (!this.players.ContainsKey(player.Name))
            {
                this.players.Add(player.Name, player);
            }
        }
        private int CalculatePlayerRating(FootBallPlayer player)        //used for AddPlayer
        {
            int ratning = 0;

            rating = player.Endurance + player.Sprint + player.Drible + player.Shooting + player.Passing;
            switch (rating)
            {
            case 0:
                return(rating);

                break;

            default:
                rating /= 5;
                return(rating);

                break;
            }
        }