docs: def delete_virtual_mfa_device(iam_client, mfa_serial):
      """
      Delete a vritual MFA device given its serial number
  
      :param iam_client:
      :param mfa_serial:
      :return:
      """
      try:
          printInfo('Deleting MFA device %s...' % mfa_serial)
          iam_client.delete_virtual_mfa_device(SerialNumber = mfa_serial)
      except Exception as e:
          printException(e)
          printError('Failed to delete MFA device %s' % mfa_serial)
          pass