When the opening is small, the blue square seems to be getting bigger and smaller. Thus, this illusion is called ‘Breathing Square’ illusion. As you can see below when the
Draw the Octaflake fractal with recursion and Turtle library. The following shows Octaflake in various recursion depths: Instead of stopping the recursion by recursion depth, you can also stop the
In this project you are going to simulate random walk. Create five or more turtles and put them into a Python List. In each iteration, each turtle in the list