In the first six projects, you modify the Array class defined in this chapter to make it behave more like Python’s list class. For each solution, include code that tests your modifications to the...

In the first six projects, you modify the Array class defined in this chapter to make it behave more like Python’s list class. For each solution, include code that tests your modifications to the Array class.

(i) Add preconditions to the methods __getitem__ and __setitem__ of the Array class. The precondition of each method is 0 <=><>