-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 John Nagle wrote: > What's the cheapest way to test for an empty dictionary in Python? > > if len(dict.keys() > 0) : > > is expensive for large dictionaries, and makes loops O(N^2). > > John Nagle
if dict: ... :) - -- - ---[Office 68.7F]--[Outside 42.9F]--[Server 100.4F]--[Coaster 68.0F]--- - ---[ KLAHOWYA WSF (366773110) @ 47 31.2076 -122 27.2249 ]--- Software, Linux, Microcontrollers http://www.brianlane.com AIS Parser SDK http://www.aisparser.com Movie Landmarks Search Engine http://www.movielandmarks.com -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (Darwin) Comment: Remember Lexington Green! iD8DBQFH5nz/Iftj/pcSws0RAnnMAJoDX9P0cK+RshuvuRRfkyJ4CPwqxACeMWkF pq7AKr/qzVWyVat0QiTtUfo= =bpei -----END PGP SIGNATURE----- -- http://mail.python.org/mailman/listinfo/python-list