private void _checkDayAndLection(DayOfWeek day, int numberOfLection)
        {
            Lection lection = _schedule.GetDaySchedule(day)[numberOfLection - 1];

            if (lection == null)
            {
                Console.WriteLine($"There isn't any lection during {numberOfLection} lection place on {day}");
                return;
            }

            Console.WriteLine($"{lection.Day} {lection.NumberOfLection} lection is {lection.TypeOfLection}:");
            foreach (var human in _listOfHumans)
            {
                human.DoingBusiness(lection);
            }
        }
 public void AddLection(Lection lection)
 {
     _schedule.AddLection(lection);
 }