python编写一个班级类_Python学习第14期

好的，下面是班级类的 Python 代码实现：

class Student:
    def __init__(self, name, age, gender):
        self.name = name
        self.age = age
        self.gender = gender

class Class:
    def __init__(self, class_name, students=[]):
        self.class_name = class_name
        self.students = students

    def add_student(self, student):
        self.students.append(student)

    def remove_student(self, student):
        self.students.remove(student)

    def get_average_age(self):
        total_age = 0
        for student in self.students:
            total_age += student.age
        return total_age / len(self.students)

    def get_female_students(self):
        female_students = []
        for student in self.students:
            if student.gender == "Female":
                female_students.append(student)
        return female_students

    def __str__(self):
        return f"Class {self.class_name}: {len(self.students)} students"

以上代码实现了一个班级类，其中包含了学生类。班级类有添加学生、删除学生、获取平均年龄和获取女生列表等方法。使用 `__str__` 方法可以打印出班级的名称和学生人数。