code: def severity_list(self, severity_list):
          
          allowed_values = ["INFO", "SMOKE", "WARN", "SEVERE"]  # noqa: E501
          if not set(severity_list).issubset(set(allowed_values)):
              raise ValueError(
                  "Invalid values for `severity_list` [{0}], must be a subset of [{1}]"  # noqa: E501
                  .format(", ".join(map(str, set(severity_list) - set(allowed_values))),  # noqa: E501
                          ", ".join(map(str, allowed_values)))
              )
  
          self._severity_list = severity_list
docs: Sets the severity_list of this Alert.
  
          Alert severity list for multi-threshold type.  # noqa: E501
  
          :param severity_list: The severity_list of this Alert.  # noqa: E501
          :type: list[str]