En Wed, 30 Jan 2008 20:47:36 -0200, FireNWater <[EMAIL PROTECTED]> escribió:
> I'm curious why the different outputs of this code. If I make the > dictionary with letters as the keys, they are not listed in the > dictionary in alphabetical order, but if I use the integers then the > keys are in numerical order. > > I know that the order of the keys is not important in a dictionary, > but I was just curious about what causes the differences. Thanks!! > > list1 = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] > list2 = [1,2,3,4,5,6,7,8] > > Dictionary = dict(zip(list1, list2)) > print Dictionary > > Dictionary1 = dict(zip(list2, list1)) > print Dictionary1 Dictionaries use the hash value of the keys to distribute them in "buckets". Compare these: for key in list1: print key, hash(key) for key in list2: print key, hash(key) -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
