On 2/1/07, Brian Quinlan <[EMAIL PROTECTED]> wrote: > George Sakkis wrote: > > Perhaps this has been brought up in the past but I couldn't find it in > > the archives: far too often I use the idiom dict(zip(keys,values)), or > > the same with izip. How does letting dict take two positional > > arguments sound ? > > > > Pros: > > - Pretty obvious semantics, no mental overhead to learn and remember it. > > - More concise (especially if one imports itertools just to use izip). > > - At least as efficient as the current alternatives. > > - Backwards compatible. > > > > Cons: > - Yet Another Way To Do It > - Marginal benefit > > Also note that the keyword variant is longer than the zip variant e.g. > > dict(zip(keys, values)) > dict(keys=keys, values=values) > > and the relationship between the keys and values seems far less obvious > to me in the keyword variant. > > Cheers, > Brian >
Um, you do realize that dict(keys=keys, values=values) is already valid and quite different from dict(zip(keys, values)), don't you ? :) George _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
