Question: Consider augmenting this program again so that it has an erase function. Discuss the difference between erasing the most recently drawn shape on the screen

Consider augmenting this program again so that it has an erase function. Discuss the difference between erasing the most recently drawn shape on the screen and erasing objects in the reverse order in which they were drawn. What changes in the definition of the state of the program are needed to accomplish this more ambitious latter goal?

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