code: func (tc *TeleportClient) AskOTP() (token string, err error) {
  	fmt.Printf("Enter your OTP token:\n")
  	token, err = lineFromConsole()
  	if err != nil {
  		fmt.Fprintln(tc.Stderr, err)
  		return "", trace.Wrap(err)
  	}
  	return token, nil
  }
docs: // AskOTP prompts the user to enter the OTP token.