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Design two classes circle and table, and then based on the two classes define a new derived class roundtable by multi-inherit. The output of the program should include the height of the table, the area of the table, and the color of the table. Consider which attributes should be included in the base class and in the derived class. 2. Design a class student which is derived from the base class person, through this class we can get the total score (credit*achievement). The postgraduate class is then derived from the base class student and every postgraduate has an advisor. Design a program, which can access the score of the postgraduate and display the name of the advisor.