input: import random
  import string
  
  def generate_password() -> str:
      """Generates a random password string of 8 characters (numbers, letters, and special characters).
      >>> generate_password()  # Example output: "3k#M9zF*"
      """
      password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      return password
  
  generate_password()
output:     password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      return password