Question: As with the previous problem, examine a friend's program. Suppose you want to make a change to the code, and you must perform regression testing

As with the previous problem, examine a friend's program. Suppose you want to make a change to the code, and you must perform regression testing on the result to ensure that the program still runs properly. Are test data and a test script available for your use? Discuss the need to retain formal test datasets and scripts for maintenance purposes.

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