code: def read_analysis(self, file_handle):
          
          start = self.annotation['__header__']['analysis start']
          end = self.annotation['__header__']['analysis end']
          if start != 0 and end != 0:
              file_handle.seek(start, 0)
              self._analysis = file_handle.read(end - start)
          else:
              self._analysis = None
docs: Read the ANALYSIS segment of the FCS file and store it in self.analysis.
  
          Warning: This has never been tested with an actual fcs file that contains an
          analysis segment.
  
          Args:
              file_handle: buffer containing FCS data