public String CheckStatusOfDoctorOpenedOrClosed(int doctorDays, int fromHour, int toHour) {
        if (doctorDays >= 0 && doctorDays < 7) {
            if (fromHour >= 16 && fromHour < 20) {
                return "Opened: Closes at 8 PM";
            } else if (fromHour < 16) {
                return "Closed: Opens at 4 PM";
            } else {
                switch (doctorDays) {
                    case 0:
                        return "Closed: Opens at Sunday 4 PM";
                    case 1:
                        return "Closed: Opens at Monday 4 PM";
                    case 2:
                        return "Closed: Opens at Tuesday 4 PM";
                    case 3:
                        return "Closed: Opens at Wednesday 4 PM";
                    case 4:
                        return "Closed: Opens at Thursday 4 PM";
                    case 5:
                        return "Closed: Opens at Friday 4 PM";
                    case 6:
                        return "Closed: Opens at Saturday 4 PM";
                    default:
                        return "Please Enter a Valid Day From 0-6";
                }
            }
        } else {
            return "Please Enter a Valid Day From 0-6";
        }

    }