Except that in each class there are going to be, at best, one or two people who can reach that level of programming competence. The vast majority of students st

Except that in each class there are going to be, at best, one or two people who can reach that level of programming competence. The vast majority of students struggle to make the LOGO turtle do a Z-shaped movement, it's totally unrealistic to expect them to get to the level of writing Tetris within 1 or even 2 years of 1 hour a week programming education.