code: def indexSearch(self, indexes):
          
  
          if not self._dataFrame.empty:
              filter0 = self._dataFrame.index == -9999
              for index in indexes:
                  filter1 = self._dataFrame.index == index
                  filter0 = np.logical_or(filter0, filter1)
  
              return filter0
          else:
              return []
docs: Filters the data by a list of indexes.
  
          Args:
              indexes (list of int): List of index numbers to return.
  
          Returns:
              list: A list containing all indexes with filtered data. Matches
              will be `True`, the remaining items will be `False`. If the
              dataFrame is empty, an empty list will be returned.