code: def getInstIdFromIndices(self, *indices):
          
          try:
              return self._idxToIdCache[indices]
          except TypeError:
              cacheable = False
          except KeyError:
              cacheable = True
          idx = 0
          instId = ()
          parentIndices = []
          for impliedFlag, modName, symName in self._indexNames:
              if idx >= len(indices):
                  break
              mibObj, = mibBuilder.importSymbols(modName, symName)
              syntax = mibObj.syntax.clone(indices[idx])
              instId += self.valueToOid(syntax, impliedFlag, parentIndices)
              parentIndices.append(syntax)
              idx += 1
          if cacheable:
              self._idxToIdCache[indices] = instId
          return instId
docs: Return column instance identification from indices