from abc import ABC, abstractmethod

class Message(ABC):

@abstractmethod

def __init__(self, sent_by, time, content):

self.sent_by = sent_by

self.time = time

self.content = content

@abstractmethod

def message_rally(self):

pass

class KakaoTalkMessage:

"""카카오톡 메시지 클래스"""

notification_message_max_len = 10

def __init__(self, sent_by, time, content):

super().__init__(sent_by, time, content)

def message_rally(self):

"""메시지의 정보와 내용을 리턴함"""

message_str = "{}\n{}\n".format(self.time, self.sent_by)

message_str += self.content if len(self.content) <= KakaoTalkMessage.notification_message_max_len else self.content[:KakaoTalkMessage.notification_message_max_len] + "..."

return message_str

class FacebookMessage:

"""페이스북 메시지 클래스"""

notification_message_max_len = 15

def __init__(self, sent_by, time, content, location):

super().__init__(sent_by, time, content)

self.location = location

def message_rally(self):

"""메시지를 짧은 형태로 리턴함"""

res_str = "{}\n{}\n{}\n".format(self.time, self.sent_by, self.location)

res_str += self.content if len(self.content) <= FacebookMessage.notification_message_max_len else self.content[:FacebookMessage.notification_message_max_len] + "..."

return res_str

class TextMessage:

"""문자 메시지 클래스"""

notification_message_max_len = 12

def __init__(self, sent_by, time, content):

super().__init__(sent_by, time, content)

def message_rally(self):

"""메시지의 정보와 내용을 리턴함"""

noti_string = "{}, {}\n".format(self.sent_by, self.time)

noti_string += self.content if len(self.content) <= TextMessage.notification_message_max_len else self.content[:TextMessage.notification_message_max_len] + "..."

return noti_string

class MessageNotificationManager:

"""메시지 알림 관리 클래스"""

def __init__(self):

self.message_notifications = []

def add_new_message(self, new_message):

"""새로 온 메시지 추가"""

self.message_notifications.append(new_message)

def display_message_notifications(self):

"""모든 새 메시지 확인"""

print("새로 온 메시지들:")

for message in self.message_notifications:

print(message.message_rally() + "\n")

이렇게하면 안되나 궁금합니다...