题解 | #班级管理#

class Student:
    def __init__(self, name="", number="", score="", level=[], fre=0):
        self.name = name
        self.number = number
        self.score = score
        self.level = level
        self.fre = fre

    def info_student(self):
        print(
            "{}'s student number is {}, and his grade is {}. He submitted {} assignments, each with a grade of {}".format(
                self.name, self.number, self.score, self.fre, self.level
            )
        )


stu = Student()
stu.name = input()
stu.number = input()
stu.score = input()
stu.level = input()
stu.fre = len(stu.level.replace(" ", ""))

stu.info_student()