code: def get_sec2gos(sortobj):
          
          sec_gos = []
          for section_name, nts in sortobj.get_desc2nts_fnc(hdrgo_prt=True)['sections']:
              sec_gos.append((section_name, set(nt.GO for nt in nts)))
          return cx.OrderedDict(sec_gos)
docs: Initialize section_name2goids.