input: def generate_password() -> str:
      """Generate a random password that consists of 8 characters.
      >>> generate_password()
      'aB3dEfGh'
      >>> generate_password()
      '12XyZ7qP'
      """
      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))