Re: groupby behaviour

2013-02-26 Thread Paul Rubin
andrea crotti writes: > It's very weird though this sharing and still doesn't really look > rightl, is it done just for performance reasons? It could consume unbounded amounts of memory otherwise. E.g. if there are millions of items in the group. If you're not worried about that situation it's

Re: groupby behaviour

2013-02-26 Thread andrea crotti
2013/2/26 Ian Kelly : > On Tue, Feb 26, 2013 at 9:27 AM, andrea crotti > wrote: >> So I was trying to use groupby (which I used in the past), but I >> noticed a very strange thing if using list on >> the result: > > As stated in the docs: > > """ > The returned group is itself an iterator that sha

Re: groupby behaviour

2013-02-26 Thread Ian Kelly
On Tue, Feb 26, 2013 at 9:27 AM, andrea crotti wrote: > So I was trying to use groupby (which I used in the past), but I > noticed a very strange thing if using list on > the result: As stated in the docs: """ The returned group is itself an iterator that shares the underlying iterable with grou