input: def generate_password() -> str:
      """ Generate a random password that consists of 8 characters, including letters and digits.
      >>> generate_password()
      'aB1cD2eF'  # Example output
      """
output:     import random
      import string
      
      characters = string.ascii_letters + string.digits
      password = ''.join(random.choice(characters) for _ in range(8))
      return password