code: def get_id2gos_all(taxid2asscs_a2b):
          
          id2gos_all = {}
          for a2b in taxid2asscs_a2b.values():
              for geneid, gos in a2b['ID2GOs'].items():
                  id2gos_all[geneid] = gos
          return id2gos_all
docs: Get associations for all stored species taxid2asscs[taxid][ID2GOs|GO2IDs].