用python编写一个教室借还系统，要求为编写教室模块，该模块可以打印输出教室的详细信息；编写管理员模块，可以注册、登录系统，对教室信息增删查改；编写用户模块，可以注册登录系统

好的，我来为你解答这个问题。

首先，我们需要设计一个教室类，用来存储教室的详细信息。具体的属性可以包括教室名称、容纳人数、设备设施等等。

class Classroom:
    def __init__(self, name, capacity, facilities):
        self.name = name
        self.capacity = capacity
        self.facilities = facilities

接下来，我们可以编写一个教室管理模块，用来对教室信息进行增删查改操作。具体的操作可以包括添加教室、删除教室、查看教室列表、修改教室信息等。

class ClassroomManager:
    def __init__(self):
        self.classrooms = []

    def add_classroom(self, classroom):
        self.classrooms.append(classroom)

    def remove_classroom(self, classroom):
        self.classrooms.remove(classroom)

    def list_classrooms(self):
        for classroom in self.classrooms:
            print(f"教室名称：{classroom.name}，容纳人数：{classroom.capacity}，设备设施：{classroom.facilities}")

    def update_classroom(self, classroom, new_name=None, new_capacity=None, new_facilities=None):
        if new_name:
            classroom.name = new_name
        if new_capacity:
            classroom.capacity = new_capacity
        if new_facilities:
            classroom.facilities = new_facilities

最后，我们可以编写一个用户模块和管理员模块，用来实现注册、登录等操作。具体的实现可以使用数据库或者文件等方式进行存储和读取用户信息。

class User:
    def __init__(self, username, password):
        self.username = username
        self.password = password

class UserManager:
    def __init__(self):
        self.users = []

    def register_user(self, username, password):
        user = User(username, password)
        self.users.append(user)

    def login(self, username, password):
        for user in self.users:
            if user.username == username and user.password == password:
                return True
        return False

class Admin(User):
    def __init__(self, username, password):
        super().__init__(username, password)
        self.classroom_manager = ClassroomManager()

    def add_classroom(self, classroom):
        self.classroom_manager.add_classroom(classroom)

    def remove_classroom(self, classroom):
        self.classroom_manager.remove_classroom(classroom)

    def list_classrooms(self):
        self.classroom_manager.list_classrooms()

    def update_classroom(self, classroom, new_name=None, new_capacity=None, new_facilities=None):
        self.classroom_manager.update_classroom(classroom, new_name, new_capacity, new_facilities)

class AdminManager(UserManager):
    def __init__(self):
        super().__init__()

    def register_admin(self, username, password):
        admin = Admin(username, password)
        self.users.append(admin)

    def login(self, username, password):
        for user in self.users:
            if isinstance(user, Admin) and user.username == username and user.password == password:
                return user
        return None

以上就是一个简单的教室借还系统的实现。当然，这只是一个简单的示例，实际应用中可能需要加入更多的功能和安全措施，比如输入参数的验证、数据加密等等。