[LAB1] 512558004

[chihchia0707]

Description

This code is performing unit tests on the "MyClass" and "Student" classes. It tests methods like adding a student to a class, retrieving a student by ID, and setting/getting a student's name. Assertions are used to verify that the methods behave as expected under different conditions.

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• A clear title (name your PR "[LAB{lab_number}] {your_student_id}")
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