Creating an email sending service using Dependency Injection

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Task condition

It is necessary to implement a mechanism for sending emails, strictly following the dependency injection principle. Define an abstract base class SendMessage and its concrete implementation SendMail.

from abc import ABC, abstractmethod

class SendMessage(ABC):
    @abstractmethod
    def send(self, res: str, text: str, subject: str) -> None:
        pass

class SendMail(SendMessage):
    def send(self, res: str, text: str, subject: str) -> None:
        print("Email:", res, text, subject)

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