Your final challenge is to create a shape building program where the turtle will ask the user how many sides the shape should have and will then draw it.

The main idea of drawing the shape is to move forward a certain distance then turn a certain amount of degrees and to repeat this for the amount of sides the user wrote in

Look back to lesson 2.3 and 4.1 of black hat if you are stuck getting the input from the user

To calculate what the angle should be, create a variable which equals the sides variable (input) and divides it by 360