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Exercise #4: (15 pts = 3 + 5 + 7) A MySetOperations is a collection of functions, on which the following set operations are defined: myIsEmpty(A): Returns T if the set A is empty (A = ), F otherwise. myIntersection(A,B): Returns the intersection of the set A and set B ( A B ). myUnion(A,B): Returns the union of the set A and set B (AUB). Write a collection of MySetOperations in Python. Note: For this problem you CAN USE ONLY the standard flow Python's instructions and the set build-in operations: len, in, not in, and add