input: def generate_password() -> str:
      """Generates a random password consisting of 8 characters, including both letters and digits.
      Example:
      >>> generate_password()
      'd4Z7GnR2'
      """
      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))