input: def send_email_task(recipient_name: str, recipient_email: str, subject: str, message: str) -> None:
      """ Create a Celery task to send an email.
      >>> send_email_task('John Smith', 'john@example.com', 'Hello World', 'This is a test email.')
      """
output:     from celery import Celery
  
      app = Celery('tasks', broker='pyamqp://guest@localhost//')
  
      @app.task
      def send_email(recipient_name: str, recipient_email: str, subject: str, message: str) -> None:
          print(f"Sending email to {recipient_name} ({recipient_email}) with subject '{subject}' and message '{message}'")
  
      send_email.delay(recipient_name, recipient_email, subject, message)