input: from typing import List, Dict
  
  def send_email_task(recipient_name: str, recipient_email: str, subject: str, message: str) -> Dict[str, str]:
      """ Create a Celery task to send an email with the given details.
      >>> send_email_task('John Smith', 'john@example.com', 'Hello World', 'This is a test email.')
      {'status': 'Email sent successfully!', 'recipient': 'john@example.com'}
      """
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) -> Dict[str, str]:
          # Simulate sending an email
          return {'status': 'Email sent successfully!', 'recipient': recipient_email}
  
      return send_email.delay(recipient_name, recipient_email, subject, message).get()