code: def generate_totp(secret, period=30, timestamp=None):
      
      if timestamp is None:
          timestamp = time.time()
      counter = int(timestamp) // period
      return generate_hotp(secret, counter)
docs: Generate a TOTP code.
  
      A TOTP code is an extension of HOTP algorithm.
  
      :param secret: A secret token for the authentication.
      :param period: A period that a TOTP code is valid in seconds
      :param timestamp: Current time stamp.