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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_email(self, to):
 """ Do work. """

        body = self.body()
        subject = self.subject()

        import letter

        class Message(letter.Letter):
            Postie = letter.DjangoPostman()

            From    = getattr(settings, 'DEFAULT_FROM_EMAIL', 'contact@example.com')
            To      = to
            Subject = subject
            Body    = body

        if hasattr(self, 'reply_to'):
            Message.ReplyTo = self.reply_to()

        Message.send()
        return