Question: The code below shows a class DataSet, which provides basic statistical functionality on a set of data, and a class TestMarks, which uses DataSet to
The code below shows a class DataSet, which provides basic statistical functionality on a set of data, and a class TestMarks, which uses DataSet to store and work out the average of a set of Test marks. The main function shown reads in two marks and uses TestMarks to store them and print out the average. Draw a sequence diagram showing the interaction that takes place when the main function executes.

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