Fredrik Lundh wrote: > performance is of course another aspect; if you *need* two parallel > lists, creating a list full of tuples just to pull them apart and throw > them all away isn't exactly the most efficient way to do things. > > (if performance didn't matter at all, we could get rid most dictionary > methods; "iterkeys", "in", and locking should be enough, right?) If I need two parallel list(one key, one value), I can still use the same [(k,v)] tuple, just access it as x[0], x[1].
But the history alone explains it anyway. -- http://mail.python.org/mailman/listinfo/python-list
