func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
		
		let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! LessonsVCCell

		// set cellTitle label text
		cell.cellTitle.text = lessonsArray[indexPath.row].name
		
		// set cellDescription label text
		cell.cellDescription.text = lessonsArray[indexPath.row].details
		
		if lessonsArray[indexPath.row].blocked == 1 {
			
			// show cellImg view - does it get hidden somewhere ???
			cell.cellImg.isHidden = false
			
			// show cellBtn button
			cell.cellBtn.isHidden = false
			
			//set cellImg image
			cell.cellImg.image = UIImage(systemName:"lock.fill")
			
			// create a new UIImageView, set its "color" -- but then do nothing with it ????
			let cellImg = UIImageView(image: UIImage(named: "your_image_name"))
			cellImg.setImageColor(color: UIColor.systemOrange)
			
		} else {
			
			// hide cellBtn button
			cell.cellBtn.isHidden = true
			
			//set cellImg image
			cell.cellImg.image = UIImage(named:"RightAnswerNew")
			
		}
		
		return cell
		
	}