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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def send(self, *args, **kwargs):
 """ Send email message, render if it is not rendered yet. Note ---- Any extra arguments are passed to :class:`EmailMultiAlternatives.send() <django.core.mail.EmailMessage>`. Keyword Arguments clean : bool If ``True``, remove any template specific properties from the message object. Default is ``False``. """

        clean = kwargs.pop('clean', False)
        if not self._is_rendered:
            self.render()
        if clean:
            self.clean()
        return super(EmailMessage, self).send(*args, **kwargs)