> On Feb 23, 2017, at 3:00 PM, Deborah Swanson <python at deborahswanson.net <mailto:python at deborahswanson.net>> wrote: > > The weirdness is that > > group[0][4] > > gets the right answer, but > > group[[idx][records_idx[label]]], > where idx = 0 and records_idx[label]] = 4 If that's the case, then I think you need this instead: group[idx][records_idx[label]] Irv