Twenty-one tutorial updated

Thanks @brian_ch. I finally gave up on learning Iced and have been continuing to develop my project in terminal-based mode. I will, however, eventually need to come back to Iced since this project really, really needs a GUI. I bookmarked this tutorial and maybe between this and Hector’s text editor tutorial I will be able to learn Iced when the time comes.

In the meantime, I have a couple of questions on the forum that have been languishing away without answers. Maybe you could take a stab at answering them? Thanks. Here are links: