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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_error_email(subject, message, additional_recipients=None):
 """ Sends an email to the configured error email, if it's configured. """

    recipients = _email_recipients(additional_recipients)
    sender = email().sender
    send_email(
        subject=subject,
        message=message,
        sender=sender,
        recipients=recipients
    )