input: 
  def generate_password() -> str:
      """Generate a random password that consists of 8 characters, including letters and digits.
      >>> generate_password()
      'aB3d7fGh' # Example output, actual output will vary
      """
      import string
      import random
      chars = string.ascii_letters + string.digits
      return ''.join(random.choice(chars) for _ in range(8))
  
output:     import string
      import random
      chars = string.ascii_letters + string.digits
      return ''.join(random.choice(chars) for _ in range(8))