input: from typing import List
  
  def send_automated_emails(recipient_emails: List[str]) -> None:
      """
      Send an automated email to each address in the given list of emails.
      
      >>> send_automated_emails(["email1@example.com","email2@example.com"])
      Email sent successfully.
      Email sent successfully.
      """
output:     for email in recipient_emails:
          print("Email sent successfully.")