Suppose now that the university is going to extend their system by creating two derived classes based on the Student class, UGStudent and GradStudent: class GradStudent (Student): def _init_(self, first, last, id): Student._init_(self, first, last, id) self.passed_writtens = False self.lab = None def take_writtens (grade): if grade > 80: self.passed_writtens = True class UGStudent (Student): def _init_(self, first, last, id, on_campus = False): Student._init_(self, first, last, id) self.on_campus = on_campus self.dorm = None Given that the following declarations are made: u1 = UGStudent('Bob', 'Jackson', 112345, False) g1 = GradStudent('Greg', 'Student', 712331) s1 = Student('Sally', 'Tester', 234663) Which of the following expressions are legal and will not generate errors? u1.add_course('CSC12021') s1.take_writtens(92) print(g1.on_campus) g1.take_writtens(76) print(g1.overload()) print(s1.dorm) print(g1.jd)

Suppose now that the university is going to extend their system by creating two derived classes based on the Student class, UGStudent and GradStudent: class GradStudent (Student): def _init_(self, first, last, id): Student._init_(self, first, last, id) self.passed_writtens = False self.lab = None def take_writtens (grade): if grade > 80: self.passed_writtens = True class UGStudent (Student): def _init_(self, first, last, id, on_campus = False): Student._init_(self, first, last, id) self.on_campus = on_campus self.dorm = None Given that the following declarations are made: u1 = UGStudent('Bob', 'Jackson', 112345, False) g1 = GradStudent('Greg', 'Student', 712331) s1 = Student('Sally', 'Tester', 234663) Which of the following expressions are legal and will not generate errors? u1.add_course('CSC12021') s1.take_writtens(92) print(g1.on_campus) g1.take_writtens(76) print(g1.overload()) print(s1.dorm) print(g1.jd)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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