[Tutor] Question about sorting a list within a dictionary within a list

[Peter Otten]

Peter Otten wrote:

> Untested:
> 
> from operator import attrgetter, itemgetter
> from itertools import imap
> 
> firsts = imap(itemgetter(0), conn.get_all_instances())
> reservations = sorted(firsts, key=attrgetter("launch_time"))
> 
> This gives you objects rather than the objects' __dict__s.

Oops, I think I missed one level of indirection:

firsts = (r.instances[0] for r in conn.get_all_instances())
reservations = sorted(firsts, key=attrgetter("launch_time"))