Tutorial -------- Here you may write text that explains a certain feature. Exercise -------- Here you will need to write the purpose of the exercise. Finishing the exercise correctly must be accomplished using the new feature that you are explaining. Tutorial Code ------------- Write a code block that will appear on the interpreter window. For example, you may write an empty function, which the user must complete in order to finish the exercise. Expected Output --------------- Write a code block that will describe the exact output expected from the modified code, if it has been modified correctly. Solution -------- Write the solution code to the problem.