input: 
  def generate_password() -> str:
      """Generates a random password of 8 characters consisting of letters, digits, and special characters.
      >>> generate_password()
      'a1B!2cD@'
      """
      import random
      import string
      password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      return password
  
output:     import random
      import string
      password_characters = string.ascii_letters + string.digits + string.punctuation
      password = ''.join(random.choice(password_characters) for i in range(8))
      return password