code: def check_validation_level(validation_level):
      
      if validation_level not in (VALIDATION_LEVEL.QUIET, VALIDATION_LEVEL.STRICT, VALIDATION_LEVEL.TOLERANT):
          raise UnknownValidationLevel
docs: Validate the given validation level
  
      :type validation_level: ``int``
      :param validation_level: validation level (see :class:`hl7apy.consts.VALIDATION_LEVEL`)
      :raises: :exc:`hl7apy.exceptions.UnknownValidationLevel` if the given validation level is unsupported