Python创建类（下）_ 当上帝的时刻到了

class Student:
    def __init__(self, name, student_id):
        self.name = name
        self.student_id = student_id
        self.grades = {"语文": 0, "数学":0, "英语": 0}

    def set_grade(self, course, grade):
        if course in self.grades:
            self.grades[course] = grade

    def print_grade(self):
        print("姓名:"+ self.name + "成绩:" + str(self.grades))
chen = Student("小陈", "100618")
zeng = Student("小曾", "100622")
print(chen.name)
print(zeng.grades)

chen.set_grade("语文", 100)

zeng.set_grade("数学", 99)

chen.print_grade()
zeng.print_grade()