I may sound like a know-it-all, but dictionaries *are* iterators. [a for a in eventData if eventData[a] < time.time()]
This is more efficient. The keys method creates a list in memory first and then it iterates over it. Unnecessary. > > "Che M" <[EMAIL PROTECTED]> wrote > >> Although I was not familiar with what you can do with a list such >> as you did here: >> [a for a in eventData.keys() if eventData[a] < time.time()] > > This is known as a list comprehension (and is described in the > Functional > Programming topic of my tutorial - obligatory plug :-) > >> I guess .keys() is a built-in method for dictionaries to return a >> list of all their values, then? > > To be accurate it returns a list of the keys, the values are the > things you get when you access the dictionary using a key: > > value = dictionary[key] > > So you can do things like > > for key in dictionary.keys(): > print dictionary[key] > >> By the way, what was the purpose of the line with >> time.sleep(1) > > It pauses for 1 second. But i'm not sure why he wanted a pause! :-) > > Alan G. > _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
